Bloomberg | Oil Back Above $50 as Supply Glut Shows Signs of Wearing Down Bloomberg Oil has struggled to hold above $50 a barrel as rising output from U.S. shale explorers diminished the impact of supply curbs implemented by the Organization of Petroleum Exporting Countries and allies such as Russia. Macquarie Bank said OPEC probably ... OPEC Chief Urges US Shale To Curb Oil Output OPEC urges US shale to take 'shared responsibility' to cut oil output OPEC calls on US shale oil producers to accept 'shared responsibility' of slashing global supply |