Ciena returns to S&P 500 after getting booted 17 years ago

Kratos Defense & Security Solutions (NASDAQ:KTOS) Trading Down 11.6% - Here's Why

The largest decline since April of last year, Nasdaq's 'two consecutive drops': Software 'on fire', chips 'hit hard', and technology 'plummeting'.

Stock market today: S&P 500, Nasdaq fall for 2nd day as tech slides on AI worries with Google earnings ahead

Dow Jones Futures: Techs Keep Falling In Divided Market; Google Rises Late On Earnings, Huge AI Spending

Stock Market News, Feb. 4, 2026: Nasdaq skids 1.5% as software rout pulls down S&P 500 and investors rotate into Dow names; AMD results weigh; Alphabet earnings on tap; gold dips below $5,000 level