The S&P 500 and Nasdaq plunged at midday when Chinese artificial intelligence startup DeepSeek shook up the sector with a ...
Shares of Nvidia, Broadcom, and ASML slump as China’s DeepSeek threatens the companies’ dominance in artificial intelligence, ...
Constellation Energy, the biggest U.S. producer of nuclear power, dropped 17% in late morning trading Monday. Nuclear-heavy power company Vistra Energy, Nano Nuclear Energy and Vertiv Holdings--which ...