Major AI players, including Nvidia, Meta, Microsoft, and Alphabet, saw significant losses, with Nvidia shedding over 11% and losing $400 billion in market value. Analysts highlighted China’s growing challenge to US tech dominance.

Wall Street is tumbling on fears the big U.S. companies that have feasted on the artificial-intelligence frenzy are under threat from a competitor in China. The S&P 500 fell 1.8% in early trading Monday.

Investors dumped technology stocks in premarket trading Monday, sending U.S. indexes sharply lower after Chinese artificial intelligence startup DeepSeek demonstrated a chatbot that it says rivals the