Nvidia shares' 9% recovery Tuesday was the second-best day in terms of market cap added for any company ever—but the company faced another selloff Wednesday.

U.S. President Donald Trump's administration is considering tightening restrictions on artificial intelligence leader Nvidia's sales of its H20 chips designed for the China market, three people familiar with the matter said.

Tech stocks plunged Monday morning, as fears mounted that Chinese artificial intelligence firm DeepSeek leapfrogged U.S. dominance in AI development. The Nasdaq Composite, which tracks the country's largest tech firms,

DeepSeek topped the Apple App Store chart and sparked fears the Chinese company was quickly catching up with OpenAI's ChatGPT while costing far less.

The U.S. tried to slow China’s advances, but the startup showed how hard that is.

The sudden rise of a Chinese start-up called DeepSeek sent U.S. tech stocks tumbling Monday. DeepSeek says it created an artificial intelligence model in much less time and for much less money than U.