Oil prices fell on Tuesday, as investors weighed continued uncertainty ahead of U.K.’s referendum this week and focused on the persistent overhang of crude. Brent crude, the global oil benchmark, fell 1.1% to $50.11 a barrel on London’s ICE Futures exchange. On the New York Mercantile Exchange, West Texas Intermediate futures were trading down 0.8% at $49.55 a barrel. Recently, the oil market has been swayed by gyrations in the polls ahead of Thursday’s U.K. referendum on its European Union membership. After falling for much of last week, oil had notched a two-day gain, pushing Brent back above the $50 threshold, as polls showed more British voters in favor for their country remaining in the bloc. Polls released late Monday night were mixed, with an online survey conducted by YouGov giving a lead of […]