Stock market today: Dow drops 800 points as S&P 500, Nasdaq slide on Trump tariff fears, AI 'scare trade'
Yahoo Finance·2026-02-23 21:02
US stocks retreated on Monday as investors grappled with the fallout from the Supreme Court's rebuff of President Trump's most sweeping tariffs, while AI disruption fears gripped markets once again. The Dow Jones Industrial Average (^DJI) led the way down, losing roughly 1.7%, or over 800 points. Meanwhile, the S&P 500 (^GSPC) and the tech-heavy Nasdaq Composite (^IXIC) both dropped over 1%, coming off a volatile but winning session on Friday. Growing uncertainty about the global trade landscape is unset ...