KEY TAKEAWAYS A slew of stocks, including chip maker Nvidia, tumbled Monday after Chinese startup DeepSeek released an AI model that runs on less-advanced chips and at a lower cost than those of U.S.

Nvidia is the gold standard and leading provider of the graphics processing units (GPUs) used to train and run AI systems. The company is believed to control as much as 98% of the data center GPU market, according to semiconductor analyst firm TechInsights. If AI models can be trained on lower-cost, inferior chips, Nvidia has a lot to lose.

Monday’s trading session saw mixed results in the U.S. stock market. The S&P 500 dropped by 1.5% to 6,012.28, shedding nearly 90 points, while the NASDAQ fell 3.07% to 19,341.83. On the other hand, the Dow managed to trade up by 0.