Oil prices remained under pressure in Asian trade Tuesday, with U.S. oil prices struggling to move above the $50 mark amid persistent concerns over a global oil glut . A stronger U.S. dollar is also weighing on oil prices after the ICE U.S. dollar index hit a three-month high on Monday, triggering a selloff across commodities as investors shifted to other asset classes. On the New York Mercantile Exchange, light, sweet crude futures for delivery in August traded at $50.00 a barrel at 0304 GMT, down $0.15 in the Globex electronic session. It lost 1.5% in the previous session, falling to a near four-month low of $50.15 a barrel. September Brent crude on London’s ICE Futures exchange fell $0.10 to $56.55 a barrel. Nymex crude has fallen for four consecutive trading sessions and is down around […]