Nvidia (NVDA.O) shares fell nearly 4% on Wednesday on fears that widening U.S. chip curbs would sap growth in China, its third largest market, and curtail the AI-driven boom in its business.
The company was set to erase more than $40 billion in market capitalization if losses hold, based on its current share price of $482.20.
Nvidia, which has been at the forefront of artificial intelligence developments with its tailor-made graphics processing units, said its China business will take a hit from tighter export controls.
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