The health care giant's shares are down more than 50% in the last month. That's hurting the powerful U.S. stock-market index.

Virgin Galactic stock jumped 15%. The company unveiled upcoming plans to restart commercial spaceflights and its losses narrowed in the first quarter. Doximity shares tumbled 20% after the networking ...

Weak US inflation data and lower oil prices raised expectations that the Federal Reserve would still cut rates this year.

US Stock Market Live: Futures on Wall Street are trading with gains indicating a positive start for Wall Street on the final ...