DeepSeek's rise could challenge the sustainability of Big Tech earnings growth, a key pillar of the bull market rally.

Elon Musk, who leads the new Department of Government Efficiency, responded to a social media post of reported salaries of ...

Technology company earnings start rolling out in a big way this week. They'll be upbeat, and push the overall market higher - even after the DeepSeek-triggered stock market dive. Here are five key ...

The DeepSeek chatbot, known as R1, responds to user queries just like its U.S.-based counterparts. Early testing released by ...

Nvidia shares plunged Monday amid concerns that a powerful, cost-efficient AI model developed by Chinese startup DeepSeek ...

It’s the Chinese AI start-up that has its American rivals on edge. Could it be faster, smarter and use fewer resources?