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US chip stocks tumble after Asia’s AI selloff raises bubble fears

Reported by Cryptobriefing
Jun 23, 2026· 2 min read
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Key Takeaways
  • • US chip and technology stocks experienced sharp declines on Friday, with the S&P 500 and NASDAQ falling to lows not seen in over two weeks, driven by a global semiconductor selloff across Asia and North America.
  • • Asian semiconductor stocks tumbled following the US market close, tracking declines in American chip equities amid renewed concerns about the sustainability of the artificial-intelligence-driven rally that has dominated markets.
  • • Megacap technology companies shed hundreds of billions of dollars in market value during the selloff, marking the worst market decline since October as investors rotated out of AI-linked equities and software firms.
  • • The contagion spread globally, with Asian tech stocks continuing to fall through Wednesday as investors struggled to shake concerns about an AI bubble, despite strong earnings results from major chipmakers like Nvidia.
  • • The selloff reflects broader market skepticism about the valuation multiples and growth assumptions underpinning the AI sector rally, with chipmakers and software firms bearing the brunt of profit-taking.
Summary
US technology and semiconductor stocks experienced a significant selloff beginning Friday, sending major indices to their lowest levels in over two weeks. The S&P 500 and NASDAQ both declined sharply as investors reassessed the sustainability of the artificial-intelligence-fueled market rally that has driven gains throughout the year. The deterioration in US equities immediately rippled across global markets, triggering corresponding declines in Asian semiconductor and technology shares.

Asian chip stocks tumbled on Friday morning trading, tracking the overnight decline in US semiconductor equities as regional investors absorbed concerns about an AI bubble. The selloff reflected heightened skepticism about whether current valuations for AI-linked companies remain justified given competitive pressures, capital expenditure requirements, and uncertain return-on-investment timelines. The contagion expanded beyond chipmakers to software firms and other technology companies, which experienced additional waves of selling through Wednesday as momentum accelerated.

The magnitude of the selloff was notable, with megacap technology companies collectively shedding hundreds of billions of dollars in market value during the multi-day decline. This represented the worst market performance since October, indicating a significant shift in investor sentiment away from the technology sector that had benefited disproportionately from the AI narrative. Notably, strong earnings results from major chipmakers including Nvidia failed to arrest the selling pressure, suggesting that fundamental company performance was secondary to broader concerns about sector valuation and bubble dynamics.

The rotation out of technology stocks gathered momentum through Wednesday, with Asian markets continuing to experience steep losses as software firms and other tech-exposed equities faced additional pressure. The persistence of the selloff across multiple trading days and geographic regions indicated that investor concern extended beyond isolated profit-taking to more systemic questions about the AI sector's growth trajectory and the appropriateness of current market valuations relative to underlying business fundamentals.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Cryptobriefing US chip stocks tumble after Asia’s AI selloff raises bubble fears