Oil prices edged higher on Friday as investors closed positions ahead of the end of the year though crude was still heading for a third weekly loss in a row, its longest losing streak in four months. Global benchmark Brent crude prices were trading up 38 cents at $37.44 a barrel at 1000 GMT while U.S. crude futures traded at $35.02 a barrel, a rise of seven cents from Thursday’s close. A global supply glut that brought prices close to 11-year lows this week means Brent oil prices will post losses for a third consecutive year, which would be the first time that has happened since oil trading started in the 1980s. West Texas Intermediate (WTI) futures are set for a second straight yearly loss, the first time that will have happened for the […]