US-China Trade War News Live: Powell flags risks as markets tumble, China tightens rare earth exports in tariff war

US-China Trade War News Live: Markets are swinging wildly as fears of a renewed US-China trade war intensify. Wall Street extended its losing streak, with the Nasdaq plunging over 3% amid heavy selling in tech and semiconductor stocks. Nvidia sank nearly 7% after Washington tightened chip export rules to China—a move expected to cost the company $5.

5 billion..