Rally fatigue saps stocks but Goldman provides hope

World shares dipped for only the second time in nine days on Tuesday, sapped by a drop in oil prices and data that showed Britain's vote to quit the European Union has done some serious damage to German economic confidence. European stocks fell 1 percent as a slide back below $47 a barrel for oil sent commodity firms down 1.5 percent. Wall Street, which is in the thick of the second-quarter earnings season, was expected to ease back from Monday's latest record high when it reopens.