U.S. stocks moved broadly higher in morning trading Wednesday, echoing strong gains in global markets as investor worries about Britain’s vote to leave the European Union eased. Traders also got encouraging data on U.S. consumer spending. Energy companies led the rally as the price of crude oil headed higher. Health care, industrials and materials stocks were also among the biggest gainers. The Dow Jones industrial average and the Standard & Poor’s 500 index turned slightly positive for the year. The Dow gained 198 points, or 1.1 percent, to 17,608 as of 11:20 a.m.