US stocks: Semiconductor sector cools off; AI storage leader STX plunges 10% in a single day



On July 17, the US semiconductor sector saw a clear pullback. The Philadelphia Semiconductor Index fell about 4.3%, closing at 11,867.50 points. Among them, AI storage hardware company Seagate Technology (STX) sank 10% in a day, becoming a key focus amid the sector’s decline.

Meanwhile, semiconductor-related stocks such as Western Digital (WDC), Micron Technology (MU), NVIDIA (NVDA), and AMD also fell to varying degrees. Market analysis believes that the AI hardware sector had surged sharply earlier, and some funds began taking profits before earnings were realized.

This pullback also reflects the market’s re-pricing of AI storage demand, chip valuations, and industry business conditions for the second half of the year. Although long-term AI compute demand remains strong, short-term stock prices can be volatile under high expectations. Investors need to watch subsequent earnings guidance, capital expenditures, and how demand materializes.

#美股 #半导体 #AI存储 $STX
STX4.90%
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TestnetWhale
· 5h ago
Short-term capital leaving is normal, but AI storage demand isn’t a short-term logic—if it drops, it’s actually an opportunity to build positions in batches.
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SigSimulator
· 5h ago
Every time the sector pulls back, someone shouts “buy the dip,” but be careful not to catch a flying knife—wait until the earnings guidance comes out, then take a look.
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ElevatorMeme
· 5h ago
AI hardware has been surging too wildly before; a pullback is also fine, so the bubble doesn’t get inflated too much.
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NinjaScalper
· 6h ago
With this drop in STX, it seems the market is a bit worried about storage inventory, but in the long run HDD+SSD will run on two lines; I still think Seagate is promising.
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