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Chip Stocks Stumble at Q3 Open After Record Q2 Gains

Semiconductor shares hit turbulence entering Q3, with Micron alone shedding nearly $200 billion in market cap in a single session.

Semiconductor stocks that powered some of Wall Street's most dramatic gains in the second quarter opened the third quarter with a sharp reversal Wednesday, signaling that investors may be reassessing lofty valuations across the chip sector after a historic run-up.

Memory chipmaker Micron Technologies bore the brunt of the selloff, tumbling 11% in a single session and erasing nearly $200 billion in market capitalization. The decline was particularly striking given that Micron had surged more than 240% during the second quarter alone, making it one of the standout performers of the broader artificial intelligence-driven semiconductor rally.

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The one-day drop underscores the volatility that can accompany stocks trading near record levels, especially in sectors where investor enthusiasm has outpaced near-term earnings visibility. After months of relentless buying fueled by AI infrastructure demand, even minor shifts in sentiment can trigger outsized corrections in highly appreciated names.

Analysts and market watchers will now be closely monitoring whether Wednesday's pullback represents a brief pause in the chip sector's longer-term uptrend or the early sign of a more sustained rotation out of high-multiple technology names as traders reposition portfolios for the second half of the year. The breadth and severity of losses across other semiconductor names will offer important clues in the sessions ahead.

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Frequently Asked Questions

Q.How much did Micron stock fall at the start of Q3?

Micron dropped 11% on Wednesday, wiping out nearly $200 billion in market capitalization in a single trading session.

Q.How much did Micron gain during the second quarter?

Micron surged more than 240% during the second quarter, making it one of the top-performing stocks in the semiconductor sector over that period.

Q.Why did chip stocks fall at the start of the third quarter?

The source points to a broad pullback in semiconductor shares after record second-quarter rallies, suggesting investors may be reassessing valuations following the sector's dramatic run-up.

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