Tumbling stock market values and wild claims have accompanied the release of a new AI chatbot by a small Chinese company.

The DeepSeek chatbot, known as R1, responds to user queries just like its U.S.-based counterparts. Early testing released by DeepSeek suggests that its quality rivals that of other AI products, while ...

Shares of Nvidia, the top AI chipmaker, plunged more than 17% in early trading on Monday, losing nearly $590 billion in market value. The tech-heavy Nasdaq plummeted 3.5%. The DeepSeek chatbot ...