Stock market today: S&P 500, Nasdaq sink as AI trade cools off, semiconductor stocks retreat

Stock market today: S&P 500, Nasdaq sink as AI trade cools off, semiconductor stocks retreat  Yahoo Finance UK Nasdaq closes 2% lower, led by Micron, as global tech sell-off rattles markets  CNBC Stock Market News, June 23, 2026: Tech Slide Deepens as AI Fears Get Worse  WSJ

Summary aggregated from Yahoo Finance UK's public RSS feed. The full reporting belongs to Yahoo Finance UK — please read it on their site.