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AI and Chip Stocks Drive Sharp Market Sell-Off

Doubts about returns on heavy AI investment and a jump in oil after renewed Houthi attacks pushed investors into U.S. Treasuries and safe currencies.

Overview

  • U.S. markets slumped on Thursday with the S&P 500 down about 1.2% and the Nasdaq down about 2.6%, a heavy tech-led decline that was the indexes' worst session in months.
  • Semiconductor and chip-equipment names led losses, with steep drops in firms such as Lam Research, KLA, AMD and Intel as investors punished companies seen as most exposed to costly AI buildouts.
  • Investors moved into perceived safer assets, driving U.S. Treasury yields sharply lower and pushing the 10-year yield below the 5% threshold after a roughly 15–19 basis-point fall.
  • Brent crude surged above $110–$114 a barrel after fresh Houthi attacks raised supply fears, which boosted safe-haven flows into the Japanese yen and helped transmit losses to Asian markets.
  • Even with recent earnings beats, firms signaled bigger near-term spending or financing needs, a development that tightens the cost of capital, raises questions about future capex and could alter expectations for Fed policy.