Artificial intelligence stocks got a major shake-up when Nvidia (NVDA), the leader in AI chips, notched their largest single-day plunge since 2020. On Jan. 27, Nvidia shares dropped by 17%, wiping out an astonishing $589 billion from Nvidia’s market capitalization.

China's DeepSeek last week launched a free assistant it says uses less data at a fraction of the cost of U.S. models. Within days, it became the most downloaded app in Apple's App Store and stirred concerns about United States' lead in AI,

By Trevor Hunnicutt, Karen Freifeld and Nandita Bose WASHINGTON (Reuters) -U.S. President Donald Trump and the CEO of Nvidia Jensen Huang discussed DeepSeek - the Chinese company whose AI model's performance rocked the tech world - and tightening AI chip exports during their meeting at the White House on Friday,