U.S. stocks closed markedly lower on Friday, a day after President Donald Trump signed an executive order slapping new tariffs on dozens of countries. A weak jobs report worsened investor jitters, ...

The U.S. stock market had its worst day since May after the government reported a sharp slowdown in hiring and President ...

Health care stocks sank after the White House released letters asking big pharmaceutical companies to cut prices and make other changes in the next 60 days. Eli Lilly & Co. fell 2.6%, UnitedHealth ...