U.S. stocks fell broadly on Thursday, with each of the 11 primary S&P 500 sectors losing ground on the day and seven of them dropping at least 1%. The losses were led by the industrial sector, which tumbled 2.3% in what was set to be both its third straight daily decline and its biggest one-day percentage decline since Feb. 8. The losses came after President Donald Trump said he would be instituting trade tariffs on steel and aluminum raised the specter of protectionist trade policies, something that has been cited as a key risk for investors. Among other sectors, health-care stocks lost 2.1% while financials sank 2%. The information technology group was down 2.1%. Seeing comparatively little weakness was the utilities industry, which was down 0.4% on the day. The Dow Jones Industrial Average DJIA, -2.73% lost 2.1% while the S&P 500 SPX, -2.14% shed 1.7% and the Nasdaq Composite index COMP, -1.67% was off 1.6%.