Wall Street ends down as AI worries slam tech stocks

Advanced Micro Devices tumbled 17% after the chipmaker forecast quarterly revenue that disappointed investors and suggested it is having a tough time competing against AI heavyweight Nvidia. Nvidia dropped 3.4% and ‌the PHLX semiconductor index fell 4.4%. Palantir slumped almost 12%, reversing sharp gains from the previous day that were driven by the AI data company's strong quarterly sales."The size of the infrastructure buildout is unprecedented, and the pace of consumers and businesses adopting AI tools ...