Tech, especially chip, stocks slumped in overnight trading after Nvidia said the government was setting new limits on its exports to China and President Donald Trump ordered a probe into potential tariffs on critical minerals.

AMD fell 7%; Nvidia fell 6%; Super Micro and Broadcom fell 4%; Marvell Technology, Arm, and Micron fell 3%; TSMC, Palantir, Tesla, Intel, Meta, Dell, and ASML fell 2%; Qualcomm, Apple, and Amazon fell 1%.

United Airlines Holdings beat profit expectations, calling it its best first-quarter financial results in five years despite a challenging macroeconomic environment. The shares jumped 5% in overnight trading.