News from China upset U.S. markets Monday and disrupted the frenzy that had built up around artificial intelligence. A company called DeepSeek said it had developed a large language model ...

The S&P 500 declined by 0.5% on Friday, Jan. 31, as investors digested the White House’s proposed tariffs on Canada, China, and Mexico.

Shares of W.W. Grainger Inc. slid 5.63% to $1,062.67 Friday, on what proved to be an all-around dismal trading session for ...

Wall Street was moving higher still shortly after the open, on the back of slightly better-than-expected readings for US ...