Wall Street tumbled after Fed Chair Jerome Powell warned about the impact of tariffs and Nvidia issued sobering guidance.

US stocks fell after Nvidia revealed costly new curbs on chip exports to China, and investors grappled with uncertainty over ...

The White House said Tuesday that "the ball is in China's court," as far as a trade deal with the U.S. is concerned.

China now faces U.S. tariffs of up to 245%, the White House said last night as it unveiled a probe into critical minerals.