CNBC | Oil dips, heads for 7th weekly loss CNBC Oil prices headed for a seventh straight weekly loss on Friday, slipping back towards $50 a barrel on Friday as key producers show no sign of cutting output in the face of a supply glut. Global oil benchmarks hit their lowest since 2009 this week and ... Oil Is Heading For A Seventh Weekly Loss Oil heads for seventh weekly loss as supply glut drags Oil heads for seventh straight weekly loss |