Stock market today: Dow rises, S&P 500 and Nasdaq slip as AI jitters return ahead of Micron earnings

Stock market today: Dow rises, S&P 500 and Nasdaq slip as AI jitters return ahead of Micron earnings  Yahoo Finance UK Stock Market News, June 23, 2026: Tech Slide Deepens as AI Fears Get Worse  WSJ Nasdaq closes 2% lower, led by Micron, as global tech sell-off rattles markets  CNBC

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