The S&P 500 and the Nasdaq fell sharply on Monday, led by Nvidia and other chipmakers as popularity of a low-cost Chinese artificial intelligence model raised investor worries about the outlooks for current AI leaders in the United States.

American AI stocks got sucker punched after China's DeepSeek app reportedly showed advancements against rivals sending investors into sell mode, shaving 3% off the Nasdaq.

But no consensus on whether impact of Chinese AI start-up will hasten tech decoupling of the two economies or sow greater partnership The earthquake that struck US tech stocks this week over the advance of Chinese artificial intelligence start-up DeepSeek is sending shock waves beyond Wall Street and Silicon Valley,