Reuters | Oil Prices Fall Further on Oversupply Concerns Wall Street Journal Oil prices retreated Wednesday as oversupply worries lingered and the prospect of the U.K. leaving the European Union weighed heavily on investors. The August contract for global benchmark Brent was trading down 0.66% at $49.50 a barrel while July ... Oil slides for fifth day as Brexit and inventory builds bite Oil in Longest Losing Streak in 4 Months as U.S. Supplies Gain US oil posts 4-day slide, ends at $48.49, as Brexit risk unnerves investors |