U.S. stock markets experienced a significant downturn on Tuesday, with major indices closing sharply lower. The Dow Jones Industrial Average fell by 1.76%, the S&P 500 decreased by 2.06%, and the Nasdaq Composite dropped 2.39%. Notably, Nvidia's shares plummeted 4.3%, while Apple and Google saw declines of 3.4% and over 2%, respectively. The Nasdaq China Golden Dragon Index also faced a decline of 1.44%. Among the notable losses, Bilibili's shares fell 6.8%, and Alibaba's stock decreased by nearly 2%. These movements reflect a broader market sell-off impacting both U.S. and Chinese tech stocks.