Stock Market Today: Dow Jones Index Dives 400 Points; Nvidia, Palantir Extending Their Losses (Live Coverage)

The Dow Jones Industrial Average and other major stock indexes traded sharply lower as the sell-off in artificial intelligence stocks continued Tuesday. AI giant Nvidia (NVDA) gave up yet more ground, while Palantir Technologies (PLTR) and Home Depot (HD) were also early losers on the stock market today. After the opening bell, the Dow dropped 0.9%, or more than 400…