Two members of U.S. Congress are calling on President Donald Trump's administration to consider restricting the export of artificial intelligence chips made by Nvidia , alleging Chinese AI firm DeepSeek has relied on them.

Export controls need to be tightened after revelations the Chinese company used Nvidia technology, the leaders of a congressional committee said.

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.

Trump administration officials are exploring additional curbs on the sale of Nvidia Corp. chips to China, according to people familiar with the matter, who emphasized that conversations are in very early stages as the new team works through policy priorities.

Trump administration is talking about more export control restrictions on NVIDIA AI GPU sales to China, after DeepSeek kicks US ass in the AI arena.

NVIDIA, the world's most valuable company until Monday, lost $600 billion of market value in a single day, the biggest in US stock history.

Nvidia shares hit their lows of the day on Wednesday after Bloomberg reported Trump administration officials are "exploring additional curbs" on the company's chip sales to China.

DeepSeek stunned the tech world with the release of its R1 "reasoning" model, matching or exceeding OpenAI's reasoning model for a fraction of the cost.

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, Bloomberg News reported on Wednesday.