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Asia-Pacific Stocks Are in a Sharp Sell-Off: What Is Driving the Plunge, How Far It Has Gone, and Where Stability Could Come From

Asia-Pacific equity markets have entered one of their sharpest sell-offs of the past several weeks. On Friday, November 6, 2026, the region opened with heavy losses, and the move was far larger than the declines seen in the sessions of November 4 and 5. Japan's Nikkei 225 and South Korea's KOSPI led the fall, with chip and AI-linked stocks taking the heaviest damage. Taiwan, Singapore and mainland China also declined, while Hong Kong held up better. The figures below come from early-session and intraday reports published at different times, so they do not all match exactly and may change as markets move.

The most important point for readers is that this is not a single bad day in isolation. It is the latest step in a series of AI-led drawdowns that began in October. In late October, Asian stocks slid as a chip rout spread from Wall Street, with South Korea's KOSDAQ down 3.5% in one session. Over the month before early November, the Nikkei 225 had already fallen more than 6%, and the KOSPI had dropped more than 16%, according to Associated Press reporting. The current wave is therefore a continuation of an existing trend, and that matters for judging how long the weakness might last.

The immediate trigger came from the United States. On Thursday, November 5, the Nasdaq Composite fell 5.52% to close at 24,315.00. That left the index in a correction, more than 10% below the record it reached last month. The S&P 500 declined 4.36% to 7,353.73, and the Dow Jones Industrial Average lost 1,833.06 points, or 3.44%, to close at 51,523.06. These losses were concentrated in semiconductors and technology, which meant that Asian chip makers opened the next day under heavy selling pressure.

The second driver is politics. The Democrats won control of Congress in the US midterm elections, and investors worried that a Democratic-led Congress could push for tighter regulation of the artificial intelligence industry. Regulation of AI would affect the large technology companies whose capital spending drives demand for Asian chip makers and equipment suppliers. Markets also worried that a new Congress could complicate the broader policy agenda and the fiscal outlook in Washington. The political reaction was therefore not only about one sector but about the wider policy environment that investors must price in.

The third driver is the AI investment debate itself. In late October, Meta raised its capital expenditure forecast, which reignited concern about how much money the largest technology companies are spending on AI infrastructure and how quickly that spending will produce profits. Investors have been asking whether the investment cycle can generate returns that justify the valuations. When that question becomes more uncertain, the stocks that benefit most directly from AI spending, including memory and semiconductor equipment makers, tend to fall the most. That pattern has been clear across Korea, Japan and Taiwan.

Japan's market has its own weak spots. On Friday, the Nikkei 225 opened sharply lower and, according to Upstox reporting, was trading 5.7% lower at 57,579 points at 11:18 JST, after falling as much as 5.95% earlier in the session. A separate closing figure reported by ScanX put the index at 57,621.27, down 5.66%, which represents a drop of 3,456.63 points. Another report cited an opening decline of about 5.86%. Whichever figure is used, the fall pushed the Nikkei into a technical bear market, generally defined as a decline of 20% or more from a recent peak. Domestic data added to the pressure. Japan's manufacturing purchasing managers' index for October was 53.3, down from 54.1 in September, which still signals expansion but at a slower pace.

South Korea was the most severe market in the region. The KOSPI dropped as much as 8.7% to an intraday low of 4,911.28 points, compared with the previous close of 5,383.80. Early in the session the index fell about 8.55% and triggered a circuit breaker, which temporarily halts trading to slow a disorderly sell-off. Samsung Electronics and SK Hynix each shed more than 9% at the open. Later, the KOSPI recovered part of its losses and was trading about 5% lower at 5,114.42, according to Upstox reporting. Even after that partial recovery, the percentage fall was one of the steepest among major Asian indexes, and it underlines how concentrated the market's exposure to memory and chip stocks has become.

Taiwan showed a similar pattern. Reports from the session indicated that Taiwan's weighted index plunged roughly 8% at one point, reflecting heavy selling in semiconductor companies. Because Taiwan's economy and stock market are heavily weighted toward chip manufacturing, the index moves closely with global demand for advanced semiconductors. This is one reason why the chip sell-off in Korea and Taiwan has been so intense. Investors are not only reducing exposure to individual companies but also reducing their overall weight in a sector that has rallied strongly on the expectation of continued AI demand.

Mainland China and Hong Kong moved less dramatically. The Shanghai Composite was reported down about 1.1% at 3,649.47 points, while the Hang Seng was down about 0.6% at roughly 24,649 points in one report. Another report showed the Hang Seng about 0.47% lower at 24,681.23. The two figures differ, so the Hang Seng level should be checked against a live quote before it is relied upon. Still, the direction is consistent across sources: Hong Kong fell, but by much less than Japan, Korea or Taiwan. The resilience reflects Hong Kong's different sector mix, which includes financials, property and internet companies that are less directly tied to the global chip cycle.

Singapore and the wider region also showed weakness. The Straits Times Index was reported down about 2.2% near 5,180 points, and the MSCI Asia Pacific Index was down roughly 2.9% in early trade. The MSCI index is a useful broad gauge because it captures many markets at once, so a near 3% fall in a single session signals that the sell-off has spread well beyond a few stocks. Australia's S&P/ASX 200 was not covered in the reports used for this session, so I cannot confirm its move on Friday. Readers should check the ASX directly before drawing conclusions about Australia.

It is also important to note the wider economic backdrop. Across Asia, several data points have been mixed. China reported that its factory activity returned to contraction territory in October as the economy slowed, which weighs on expectations for regional demand. Japan's manufacturing PMI remained above 50, but it eased. Meanwhile, the US policy outlook is uncertain because of the midterm result, the fiscal debate and the Federal Reserve's path on interest rates. Higher-for-longer rates tend to hurt high-valuation growth stocks, and many of the names falling most sharply in Asia are exactly that kind of stock.

Looking at the asset classes beyond equities, gold has been volatile. In late October, gold slipped below $4,000 an ounce for the first time since July, showing that even traditional safe-haven assets are not immune when investors need to raise cash. Oil has also been moving, having held near recent highs in October before falling in some sessions. Bitcoin and other crypto assets have generally moved with the Nasdaq and the chip complex during these risk-off episodes, so higher volatility in digital assets is a realistic expectation while the tech sell-off continues. Crypto traders should watch the Nasdaq and semiconductor stocks as leading indicators.

The question investors most want answered is when the decline will stabilize. My view is that the region has not yet reached a clear bottom, but this does not mean that every further fall is inevitable. Several conditions would need to come together before the trend could turn. First, chip-sector selling would need to ease, and memory and equipment stocks such as SK Hynix, Samsung Electronics, Tokyo Electron and Advantest would need to stop making new lows. Second, the Nasdaq would need to stabilize above the correction-zone levels it reached on November 5. Third, the Federal Reserve outlook would need to become clearer after the next US jobs and inflation reports. If those reports are soft, pressure on high-valuation Asian technology could ease quickly. If they are hot, the sell-off could extend.

A single bounce should not be treated as confirmation of a bottom. Historically, sharp declines in Asian markets have often been followed by rebounds that later fail, especially when the underlying drivers remain unresolved. The more reliable sign of stabilization would be a sequence of higher lows in the chip names, a recovery in the MSCI Asia Pacific index back above its recent low, and a steady period in which the Nikkei and KOSPI stop making large daily swings in the same direction. Traders should also watch whether the KOSPI can hold the 4,900 to 5,100 area after its intraday low, and whether the Nikkei can stabilize near the 57,000-point level.

On how far prices could move in percentage terms, I cannot give a reliable target, and any specific number should be treated as a scenario rather than a forecast. Recent sessions show daily moves of 5% to 9% in KOSPI and the Nikkei, and the earlier decline of about 16% in KOSPI over a single month shows that larger moves are possible. Based on that history, it would not be surprising to see several more volatile sessions before conditions settle. In a more optimistic scenario, a stabilization in chip stocks and a supportive US inflation print could produce relief rallies of several percent. In a more pessimistic scenario, a hot inflation reading and an AI regulation headline could push the Nikkei and KOSPI to fresh lows, with further single-day declines in the high single digits for the most exposed chip stocks.

For investors and traders, the practical implications are fairly clear. Concentrated positions in semiconductor and memory stocks carry the most risk in this environment, because they have fallen the furthest and their moves are the most volatile. Investors who cannot tolerate large swings may want to reduce exposure to the most leveraged chip names, diversify across sectors and regions, and set clear rules in advance for stop losses or rebalancing. Reacting to every headline tends to produce poor decisions, especially during circuit-breaker sessions when prices can move quickly in both directions. Defensive assets such as gold may offer some relative support, but they are not guaranteed protection, as the late-October move demonstrated.

My personal view is that this sell-off reflects a valuation reset in AI-linked Asian technology more than a collapse of the wider regional economy. Hong Kong and parts of Southeast Asia have shown relative resilience, and China's market has not experienced the same extreme daily losses seen in Korea and Japan. That suggests the damage is concentrated rather than systemic so far. However, the AI trade has been very crowded, and crowded positions can unwind quickly when sentiment shifts. A concentrated market can fall faster than the underlying economy would suggest, which is why the pace of this sell-off deserves respect even if the long-term outlook for the region remains constructive.