Reuters | Oil edges up after big OPEC-driven weekly rally Reuters Crude prices were pressured by data showing oil output in Russia rose in November to a post-Soviet high and Moscow's plan to use its record November oil production as its baseline when it cuts output. With cuts being implemented next year only against ... OPEC has kept oil markets on a roller coaster — and that's not likely to change Oil Prices Waver as Investors Weigh OPEC Deal Opec deal pushes oil price up to $54 a barrel |