Microsoft stock extends post-earnings slide as AI spending debate heats up
NEW YORK, Jan 30, 2026, 16:12 EST — After-hours Microsoft shares slipped roughly 0.9% to $429.73 during Friday’s regular session, while the Nasdaq 100 ETF dropped around 1.2%. The S&P 500 ETF also edged lower, down about 0.4%. The stock slid 10% yesterday, wiping out over $350 billion in market value after the company’s latest cloud and spending updates disappointed.…