Emerging Chinese startup DeepSeek disrupted the AI race with its lightweight, open-source R1 assistant. The tool, launched on January 20, challenges established players like OpenAI with minimal computing resources,

NEW YORK >> The S&P 500 and the Nasdaq ended sharply lower today as Nvidia and other chipmakers sold off after the surging popularity of a low-cost Chinese artificial intelligence model raised investor worries about the outlooks for current AI leaders in the United States.