Alphabet leads Silicon Valley tech stock sell-off as Dow plunges more than 700 points
March 22, 2018 at 16:44 PM EDT
The Dow Jones Industrial Average plummeted 724 points on Thursday — marking its worst day in six weeks — on investor fears around President Trump's new tariffs on Chinese goods. Silicon Valley's largest tech stocks, already reeling from a rough week, were caught up in the sell-off, with Google parent Alphabet posting the biggest decline.