U.S. stocks set for weekly gains By: MarketWatch April 17, 2014 at 10:59 AM EDT U.S. stocks trade sideways, drifting in and out of positive territory on Thursday, but the main indexes are set to finish a holiday-shortened week with modest gains. Read More >> Related Stocks: American Express Chipotle Mexican Grill General Electric Goldman Sachs Group Google, Inc. International Business Machines Morgan Stanley Sabre Corp Standard & Poors 500 UnitedHealth Group Weibo Corp ADR