Reuters | Oil settles slightly higher but posts weekly decline Reuters OPEC next meets in May to discuss oil supply policy and its secretary-general, Mohammad Barkindo, said this week the group wants to see global inventories reduced further. That has made energy investors more hopeful the producer group will extend ... Oil Trims Monthly Decline as OPEC Cuts Battle Rising U.S. Output Oil recovers from 1-month low on hopes of production cut extension Oil up on more optimistic outlook on OPEC cuts |