Wall Street set to open lower after Trump's travel curbs

U.S. stocks looked set to open lower on Monday, amid uncertainty following President Donald Trump's orders to curb travel and immigration from certain countries. The promise of tax cuts and simpler regulations had lured investors into equity markets since Trump's election in November, but some are worried about the potential risk of his protectionist policies. "A new week of trading is getting off on a sour note, as key macro news, Fed action, international and domestic backlash over Trump's imm