Stocks drop 4 percent in rocky week on trade, growth worries

Wall Street capped a turbulent week of trading Friday with the biggest weekly loss since March as traders fret over rising trade tensions between Washington and Beijing and signals of slower economic growth.
The latest wave of selling erased more than 550 points from the Dow Jones industrial average, bringing its three-day loss to more than 1,400. For the week, major indexes are down more than 4 percent.
Worries that the testy U.S.-China trade dispute and higher interest rates will slow the economy has made investors uneasy, leading to volatile swings in the market from one day to the next.
On Monday, news that the U.S.