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

President Trump's $500 billion AI project, dubbed Stargate, appears to be in jeopardy. Shortly after his inauguration on Jan. 20, President Donald Trump hosted an event at the White House that ...

Japanese tech investor SoftBank (SFTBF) swung to a $2.4 billion loss in the quarter ended December as valuations at its ...