After a stock market crash, the Qing Dynasty was gone.

Many people know this story, but today, we can revisit this little tale; it might offer some insights.
Acheng, from Taishan, Guangdong, 25 years old, worked as a clerk at the British firm Jardine Matheson, earning 16 taels a month.
He had been sitting in this teahouse for three years; Thursday afternoons were his fixed meeting time with a few fellow townsmen.
The tea cost eight coins, enough for him to sit until closing time.
That day, he heard a middle-aged man in a silk robe at the next table lower his voice and utter two words: "Rubber."
"Have you heard of 'Lancaster'? Last month it was 45 taels, this week it’s risen to over 60."
Acheng held his cup of Longjing tea, not putting it down.
He sat quietly, straining to catch the low murmur of the middle-aged man at the next table amid the noisy teahouse.
Acheng and his wife had saved for three years, plus help from his father-in-law, and had 480 taels of silver on hand, originally planning to buy a small courtyard in Zhabei with a patio, enough for his wife to keep a few chickens.
He didn’t dare touch that 480 taels, but after hesitating for a week, he pulled 80 taels from his private savings and tentatively bought one share of Lancaster.
Acheng was a cautious man. He had been copying documents at the foreign firm for three years and knew there was no free money in business.
These 80 taels were the limit he set for himself: if he lost them, he wouldn’t smoke, wouldn’t go to the teahouse, wouldn’t buy his wife cosmetics for half a year, and could make it back.
A month later, that share was worth 120 taels.
The next day, Acheng went to the money exchange and converted it into a bank draft, making 40 taels—about three months’ salary.
He had planned to stop there.
But Lancaster didn’t stop. In February 1910, he watched the stock rise from 120 taels to 180 taels, then to 240 taels.
Every week he missed out, he felt he had sold too early.
The money he had already made didn’t matter; what kept him up at night was what he had missed.
At the end of February, he withdrew another 160 taels from the 480 and bought less than one share at 180 taels.
This time he bit a little harder, but still left himself some leeway: even if he lost those 160 taels, his principal remained.
In early March, the share rose to 450 taels.
For half a year, he hadn’t touched his principal. The two small tests of 40 taels plus 160 taels had turned into 450 taels of floating profit, plus the earlier 40 taels, doubling his money since the start of the year.
That night, Acheng sat under the window of the foreign firm, calculating his accounts all evening.
If he had stopped on that night in early March 1910, his story would have ended here.
He would have bought that courtyard with a patio in Zhabei, his wife would raise a few chickens, his children would attend school, his father-in-law would come for a few days during the New Year, and every Thursday he would continue to drink eight-coin Longjing tea at the teahouse.
But he didn’t stop.
That night, he bought his wife a jade bracelet.
The bracelet glowed with a faint green light under the oil lamp.
She asked where the money came from; he smiled and didn’t answer, only saying the foreign firm had recently landed a big order and the boss issued a bonus.
It was the happiest lie he had ever told in his life.
At that time, he didn’t know that things were heading in an unexpected direction for everyone. 900 taels was just the beginning, 2400 taels was not his endpoint, and 5000 taels was not either…

1. Real demand, real stories
Acheng was not a fool. He was a clerk who could read foreign languages and diligently copied documents for the British at the foreign firm for three years. In that era, he surpassed most people and already had access to first-hand market information. He knew from the start that this was not a phantom stock.
Every day, the import reports he copied clearly showed data in British newspapers: American rubber imports were $57 million in 1908, $70 million in 1909—a 23% increase in one year. Rubber prices rose from 2 shillings 9 pence per pound in 1908 to 12 shillings 5 pence per pound in April 1910—a 4.5-fold increase in a year and a half.
He also knew that the source of all this was in Detroit. Across the ocean, a new era of change was unfolding. It was a great era of transformation, with automobiles as representatives of advanced productivity, genuinely changing the world.
In 1908, Ford cut the Model T to $300, making cars no longer a plaything for the rich but the "foot" of the middle class.
At that time, synthetic rubber did not yet exist; all tires had to be made from latex tapped from Malayan jungles.
The extraction cost per pound of latex was only 1.6 shillings, and the market sold it for over 12 shillings, a gross margin of 87%.
Acheng knew this was not a phantom coin; it was a hard commodity driven by real demand: automobiles are durable goods, but tires are real consumables. Cars were truly being sold! Tires were truly being used! Rubber was truly in short supply!
He understood one more layer than the noisy crowd in the teahouse: he knew that from planting a rubber tree to tapping latex takes 5 to 7 years. That is, for the next five years, no one knew exactly how much supply would be available. Demand was visible, but supply was invisible.
Acheng considered this a positive factor: supply couldn't come up in the short term, so prices would certainly rise. He didn’t realize that this was precisely the problem. Real demand + unverifiable supply = the perfect recipe for a bubble.

2. A story made up by the British
What made Acheng make his decision was George McBain. This British man published a lengthy article in Shen Bao titled "The Future World of Rubber," which you could consider the 1910 version of a research report plus roadshow PPT. Acheng spent two copper coins to buy that issue and read it word by word under an oil lamp until dawn. At the end, he neatly folded the newspaper and pressed it under his pillow like a deed.
But what truly moved Acheng was not the article—it was the dividend. Lancaster paid a dividend every three months, 12.5 taels per share, equivalent to 12.5% of the par value, an annualized 50%. In the three years Acheng had copied documents at the foreign firm, his salary had never increased by a single tael. A company that could steadily pay a 50% dividend—he had never even dreamed of it.
What he didn’t know was that this money did not come from rubber sales. McBain didn’t have many trees in Malaya; he borrowed money himself to pay shareholders to signal to the market. This trick, a hundred years later, would be called "Ponzi dividend," but Acheng in 1910 had never seen it. In his eyes, only one fact stood out: this company truly distributed money; this was a representation of real income.
Lancaster's stock price surged from 60 taels to 1675 taels, with a price-to-book ratio of 10–20 times. Rubber stocks with a premium of 8–9 times were everywhere. In June 1910 alone, 30 new rubber stocks entered the exchange, taking in 13.5 million taels of silver, an average of 450k taels per company—London was ashamed to compare.
In early March, Acheng went all in. Lancaster did not disappoint him. At the end of March, the stock hit 1080 taels, and on March 29 it touched an all-time high of 1675 taels.
The atmosphere in the teahouse had changed. The middle-aged man in the silk robe was said to have already put a deposit on a foreign-style house on Xiafei Road. The old man next to his father-in-law, who ran a fabric shop, had converted all his working capital into Lancaster. Every Thursday, the topics in the teahouse were no longer about silk prices or dock business; only one thing remained: how many rubber shares to buy!
How many to buy? These three words made everyone who hadn't bet everything feel like a fool.
By now, Acheng had made 5000 taels—ten times his principal—a figure he had never dared to dream of. But the money he had made no longer gave him peace of mind, because those around him had made even more. The man in the silk robe reportedly had twenty times his account; the old fabric shop owner had supposedly turned eight times but was still adding.
If he cashed out now, he could buy a foreign-style house with a garden on Xiafei Road, bring his father-in-law to live with them, send his children to a church school, and never have to copy documents for the British again. But he didn’t cash out. In April, he did one thing that he would think about for the rest of his life. He walked into Huiyuan Native Bank.

3. The real weapon: bank drafts + collateral + infinite loop
The clerk behind the counter at the native bank recognized him. His father-in-law’s raw silk business often transferred money here, and Acheng had come with his father-in-law a few times during the New Year to present gifts. When the clerk heard he wanted to buy Lancaster, he waved him into an inner room, brewed a pot of fine tea, and slowly drew a circle on the table:
"You pledge your shares to HSBC; the bank lends you 70% in cash. Then use that cash to buy more shares, pledge again, borrow again, buy again. Circle around, small principal, big position. If HSBC can't lend you more, as long as you have property or personal guarantees, I can lend you here. You have such a good job, and your father-in-law’s business is here—we feel reassured."
Acheng looked at that circle and felt as if he had seen a perpetual motion machine.
At that time, Shanghai had no securities exchange. Ordinary Chinese could not enter the "Shanghai Stock Exchange." The only path was: hear news at the teahouse, open a bank draft (like a check) at a native bank, then take the bank draft to a foreign bank to place orders. But the "pledge shares with leverage" method the clerk described was the core that drove everyone crazy: it was margin trading + financing + infinite loops, with no regulation, no risk control, and no forced liquidation rules.
Acheng signed. In the end, using 5000 taels of principal, he leveraged a position of about 30k taels.
What’s more, this wasn’t just Acheng. All the powerful and wealthy in Shanghai were doing it. The 3.5 million taels of construction funds from the Sichuan-Hankou Railway Company, like many rich officials, Shi Dianzhang put more than 2 million taels into the native banks of Shanghai's "financial leader" Chen Yiqing for "capital operations," lending to "Achengs" to earn interest while setting up insider positions. This state money accounted for one-third of the total bank drafts issued by the Chen family's native banks. It was state money that propped up the entire Shanghai rubber bubble.
By the first half of 1910, Chinese merchants had invested nearly 40 million taels of silver in rubber stocks, equivalent to half of the Qing government’s annual fiscal revenue. All the liquid funds of Shanghai native banks were tied up in rubber stocks.
In May, Lancaster oscillated around 1500 taels. On paper, Acheng’s floating profit surged by several thousand taels one moment and sank by several thousand the next—daily fluctuations were more than he had earned in the past ten years. He couldn't concentrate on work; while copying documents at the foreign firm, he made three consecutive transcription errors. The boss thought he was sick and told him to go home and rest.
On the way home, he kept asking himself one question: Why am I earning more than before, yet more anxious than ever?

4. And then came "that moment"
In June 1910, the story changed.
Not because demand disappeared—cars were still selling, tires were still being used. It was because supply suddenly became verifiable.
Global rubber production was 60k tons in 1907, 65k tons in 1908, 69.6k tons in 1909—a slow climb. But in 1910, it suddenly skyrocketed to 90.5k tons. Later we know that rubber reached 108.5k tons in 1913 and 370k tons in 1920. Rubber trees planted in Malaya in 1905 began to mature and yield latex starting in 1910. The seeds planted five years ago began to sprout collectively in 1910. The black box was opened.
Foreign capital saw it first. At the same time, in June 1910, the United States announced a tightening of rubber consumption, slowing downstream demand growth. On one hand, supply suddenly gushed; on the other, demand growth decelerated. Commodity pricing is where these two curves intersect.
London rubber prices slid from 12 shillings 5 pence all the way down to below 5 shillings. Foreign banks began quietly withdrawing funds as early as June. In July, they suddenly announced two things: no longer accepting rubber stocks as collateral, and requiring immediate repayment of all loans to native banks.
On the morning of July 21, before dawn, Acheng went to work at the foreign firm as usual. Passing by Ningbo Road, he saw a dark crowd already gathered in front of Huiyuan Native Bank. The crowd was eerily silent, except for an old woman at the front holding a stack of bank drafts, trembling softly.
Three native banks under Chen Yiqing’s name—Huiyuan, Qianyu, and Zhaokang—collapsed in a chain. The next day, Senyuan, Yuanfeng, and Huida also closed their doors. Chen Yiqing was arrested and detained by the authorities that same day. Lancaster fell from 1675 taels to 105 taels—a 94% drop. All stocks pledged at foreign banks were liquidated, all lent money was recalled, and all worthless bank drafts became waste paper. Acheng not only lost his 5000-tael principal but also owed Huiyuan Native Bank several thousand taels. But Huiyuan had already collapsed; no one could say who the debt belonged to.
That night, Acheng told his wife he had to do inventory at the shop and sat on the Bund all night. The river was thick with fog; the ferry’s whistle sounded muffled. One after another, boats passed by, but he couldn’t see a single one clearly.

5. The imperial court drained the last vein itself
If the story had ended in July, the Qing Dynasty might have held on. The real killing blow came in October.
Shanghai Daotai Cai Naihuang stepped in to rescue the market, borrowing from foreign banks and using 3 million taels of official silver to stabilize the two largest native banks, Yuanfengrun and Yishanyuan. These two could not fall; if they did, it would trigger a nationwide chain reaction. They had branches in Beijing, Tianjin, Guangzhou, and Hankou—equivalent to national joint-stock banks today.
But at the end of September, 1.9 million taels of Boxer Indemnity payments were due. Cai petitioned the Great Qing Bank to advance the payment, saying the money was currently tied up in the native banks for market rescue; withdrawing it would cause a collapse. Before he finished, Jiangsu Governor Cheng Dequan impeached him. Behind it, Vice Minister of the Board of Revenue Chen Bangrui had a personal grudge against Cai and took the opportunity to stab him in the back.
The imperial court was furious, dismissed Cai from his post, and ordered him to withdraw all official silver from the native banks within two months. That knife struck Yuanfengrun’s last vein.
On October 7, foreign banks announced they would refuse to accept bank drafts from 21 Shanghai native banks. On October 8, Yuanfengrun collapsed, owing more than 30k taels to public and private funds; 17 branches in Beijing and Tianjin closed simultaneously. In March 1911, the other pillar, Yishanyuan, also fell.
Acheng’s father-in-law died in this second wave. The old man had been in the raw silk business for thirty years, with the bulk of his funds deposited at Yuanfengrun—the most prestigious native bank in Shanghai. Its passbook bore the red seal of a British auditor. Before Acheng entered the market, everyone thought it was "absolutely impossible to fail." On the morning of October 8, the father-in-law, wearing his dark blue robe for visiting guests, walked into Yuanfengrun’s Shanghai headquarters and saw two white sheets with black characters pasted on the door—seal signs. He recognized the characters, but couldn’t string them into a sentence.
That night at dinner, he ate half a bowl of rice, put down his chopsticks, said, "I’ll go lie down," and never got up again. Half a month later, he passed away. The funeral was paid for with money Acheng borrowed.
Acheng never dared to tell his wife that he too had lost everything in this turmoil.
Foreign banks lit the fire; the imperial court poured the oil itself.
The money meant to rescue the market was withdrawn by the regulators themselves.

6. And then the Qing Dynasty fell
The 3.5 million taels of public funds from the Sichuan-Hankou Railway were a total loss. Sheng Xuanhuai acted impulsively: nationalize the railways, and the central treasury would cover the hole.
That sounds reasonable. But there was a detail: the imperial court offered compensation for railway investments in other provinces, but not for Sichuan. Because the Sichuan money was not spent on building railways; it was embezzled by officials and lost speculating on rubber in Shanghai. The imperial court refused to pay for the insider position.
Sichuan gentry and merchants exploded. In May 1911, the Railway Protection Movement erupted. The Qing government transferred the New Army from Hubei to suppress Sichuan, leaving Hubei empty. On October 10, 1911, the Wuchang Uprising occurred.
From Lancaster’s peak to the Wuchang shot: 16 months.
Acheng didn’t see the Wuchang Uprising. In early 1911, he quit his job at the foreign firm and took his wife and children by boat back to Taishan, Guangdong. On the boat, he realized one thing: he tried to sum up why he had lost so badly. He lost to the self from three months ago who believed "one more doubling and it’ll be ten years’ salary."
And that jade bracelet—he told his wife to hide it.

7. On the relationship between "real demand" and "it will fall"
After the rubber stock crash, did rubber demand disappear? No. Car sales continued to rise; tires continued to be used. Rubber production grew from 90k tons in 1910 to 370k tons in 1920, and 816k tons in 1930. Real demand increased nine times after the crash. But rubber prices never returned to the highs of 1910.
Demand was real. The key is that any real, long-term, unverifiable demand, at the moment it emerges from the black box and becomes verifiable, will have its price return to the anchor of supply-demand equilibrium.
And the stock price had already overdrawn a decade’s worth of future demand all at once. Once rubber trees are planted, it takes five years; once capital believes, it believes infinitely. When the trees grow up and are counted, the price naturally falls.

8. Questions no one asked back then
Using the 1910 picture as a mirror, ask a few questions about rubber that no one asked back then—or if they asked, they were ridiculed.
First question: What will supply be in five years? In 1907, the rubber plantation area in Asia was already 433k acres. Every tree was planted on the decision of a British capitalist in 1905 or 1906. The books were checkable; it’s just that no one at the time wanted to check. The numbers were always there; no one wanted to calculate them.
Second question: Can all this money now really become production capacity in five years? The capital expenditure on rubber was mostly genuinely deployable. Trees planted in the ground, plenty of labor to tap—basically, it’s production capacity. But at the time, a significant number of companies had not bought land, planted trees, or hired workers. As long as your company had any connection to rubber and auto parts, it could be listed. In the end, the money went into the founders’ pockets, and capital expenditure became just numbers on paper. At the market’s peak, no one could distinguish between these two types of companies, because their stock prices could all rise. Only after the crash did people check: Where did this company’s money actually go? Did they buy land? Were trees actually planted? How many trees were planted?
Third question: In five years, can rubber prices really stay at 12 shillings? The people of 1910 calculated like this: cost per pound 1.6 shillings, selling price 12 shillings, gross margin 87%; it’s no surprise it could rise for another half year. But they didn’t ask: What if prices halve? Down to 6 shillings, gross margin still 73%, business continues. Down to 3 shillings? Still 47%. Down to 1.6 shillings? Gross margin zero, every plantation becomes wasteland at the same time.
Prices don’t necessarily fall to the bottom in one step. But as soon as prices move down from 12 shillings, any valuation based on "12 shillings forever" must be recalculated from scratch. And the bank drafts issued by Shanghai native banks had collateral ratios based on current prices.

9. Epilogue
History never repeats itself, but it always rhymes.
No one in the 1910 crash was evil. Acheng wasn’t evil, Chen Yiqing wasn’t evil, and even McBain was, in a sense, just a businessman. They were all, within a story driven by real demand, doing what anyone would do: believing in the part they could see and ignoring the part they couldn’t.
As for Acheng, he was lucky. In turbulent times, even if he had exited at the peak, could he have truly lived happily in Shanghai amid the sweeping currents of the era?
In 1949, the winter of his final year, his grandson sat with him on the doorstep, basking in the sun, and asked him what his greatest life lesson was.
The old man thought for a long time, tapped his pipe against the sole of his shoe, and said slowly:
"That year, I wasn’t fooled by the foreigners. I was the one who mistook 'I think' for 'I know.'
But the Qing Dynasty is gone anyway, so who cares?"