Oil prices rose more than 1 percent on Friday as U.S. sanctions against Iran looked set to tighten supply, but futures remained lower for the week as investors worried that global trade disputes could slow economic growth and hurt demand for energy. Benchmark Brent crude oil LCOc1 was up 90 cents at $72.96 a barrel by 1:56 EDT (1756 GMT). U.S. light crude CLc1 was 78 cents higher at $67.59 a barrel. Brent remained on course to fall 0.3 percent in the week, while U.S. crude was on track to drop 1.1 percent, following a sell-off on Wednesday. “It’s not surprising to see a bit of a bounce back here,” said Tariq Zahir. […]