Wall Street Plunges as New China Tariff Threats Ignite Trade War Fears and Tech Stocks Tumble

The U.S. stock market experienced a dramatic reversal on Friday, October 10, 2025, with major indexes plummeting in afternoon trading after President Donald Trump threatened a "massive increase" in tariffs on Chinese imports. This unexpected escalation of trade tensions shattered a months-long period of relative calm on Wall Street, sending investors scrambling and wiping out earlier modest gains. The downturn was exacerbated by an ongoing U.S. government shutdown, now in its tenth day, which continues to c ...