The U.S. stock market slumped Friday, with the S&P 500 giving up its weekly gain after investors fretted over reciprocal ...

Shares of Amentum Holdings Inc. AMTM shed 2.98% to $22.16 Friday, on what proved to be an all-around grim trading session for ...

Shares of IPG Photonics Corp. IPGP slid 2.70% to $68.91 Friday, on what proved to be an all-around grim trading session for ...

This was the stock's third consecutive day of losses.

Uber’s stock extends its surge as hedge funder Ackman says he’s amassed a 30.3-million-share stake since early January.

Microchip Technology’s stock was falling after the semiconductor maker kept its dividend flat for first time in four years, ...

Going into the Super Bowl, the “Taylor Swift effect” on the NFL looks even stronger than it did at this time last year.