Separate warnings by the chipmaking giant and the chairman of the Federal Reserve about the impact of White House policies contributed to another sell-off on Wall Street.

U.S. stocks fell Wednesday after Nvidia warned new restrictions on exports to China will chisel billions of dollars off its results, while companies around the world said President Donald Trump's trade war is clouding forecasts for how they and the economy will do this year.

The S&P 500 sank 2.2% after falling as much as 3.3% earlier. Such an amount would have vied for one of its worst losses in years before the historic swings that have upended Wall Street in recent weeks.

Nvidia CEO Jensen Huang arrived in Beijing on Thursday, said Yuyuan Tantian, a social media account associated with Chinese state broadcaster CCTV. Huang arrives at a time when the United States has put new restrictions on China-bound shipments of H20 datacentre GPUs,

Key Takeaways Nvidia CEO Jensen Huang reportedly visited Beijing, meeting Chinese Vice Premier He Lifeng and DeepSeek’s founder, among others, after the chip firm was hit with new export curbs on its sales to China.