Reuters | Oil edges higher on optimism over non-OPEC output cuts Reuters LONDON Oil prices edged higher for a second consecutive session on Friday on hopes that non-OPEC producers meeting in Vienna would agree to cut output to bolster the group's own agreement to limit production. Still, both benchmarks remained roughly 2 ... Oil futures curve raises doubts over Opec rally Oil futures jump ahead of non-OPEC weekend meeting OPEC's Historic Deal Won't Be Enough to Drain Oil Stockpiles |