Dow tanks 600 points, S&P 500 suffers brutal fourth straight drop - why stock markets are down today?

U.S. stocks fell sharply Tuesday as the Dow Jones Industrial Average dropped 584 points, or 1.3%, and the S&P 500 slid 1.1%, marking its fourth straight losing day—the longest streak since August. The Nasdaq Composite, loaded with tech giants, fell 1.7%, dragged down by a mix of profit-taking, high Nvidia, the AI chip leader, dropped 2%, continuing a 10% monthly slide ahead of its third-quarter earnings report due Wednesday. Amazon and Microsoft also lost ground despite the announcement of a major AI partn ...