The U.S. stock market experienced a sharp downturn on Friday, October 10, 2025, with all major indexes closing significantly lower and posting weekly declines. The market's calm was shattered by President Donald Trump's threats of "massive" tariffs on Chinese imports, reigniting fears of a renewed trade war and overshadowing earlier gains in the session. The tech sector bore the brunt of the sell-off, contributing heavily to the day's losses. Adding to investor unease is the ongoing U.S. government shutdown ...