U.S. financial markets opened lower, sputtering for a second straight day as investors question the health of AI stocks.

Wall Street's major indexes closed significantly lower on Thursday as heightened market sentiment due to the end of the U.S.

Biggest stock gainers. Cidara Therapeutics +104% - Shares surged after the Financial Times reported that Merck is close to acquirin ...

Here are some of the major companies whose stocks moved on the week’s news.