Why Chinese AI company DeepSeek is spooking investors on U.S. tech

U.S. tech stocks, including Nvidia, Oracle and Broadcom, plummeted Monday after Chinese startup DeepSeek said it created an AI system that can compete against chatbots such as OpenAI’s ChatGPT at much lower costs.

U.S. tech stocks, including Nvidia, Oracle and Broadcom, plummeted Monday after Chinese startup DeepSeek said it created an AI system that can compete against chatbots such as OpenAI’s ChatGPT at much lower costs.