DeepSeek's emergence is shaking up investor confidence of the AI story that has been lifting the U.S. bull market in the past ...

Chinese startup DeepSeek has debuted an AI app that challenges OpenAI's ChatGPT and other U.S. rivals, sending a shock ...

Major US technology firms stocks dropped after the emergence of a low-cost chatbot built by a Chinese AI firm.

AI stocks fell across the board Monday as the investment community absorbed news of a potentially more cost-effective Chinese ...