Oil prices fell on Wednesday on persistent doubts a planned crude production cut led by OPEC and Russia would be deep enough to end a supply overhang that has dogged markets for over two years. International Brent crude oil futures LCOc1 were trading at $53.69 per barrel at 0131 GMT, down 24 cents, or 0.45 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures CLc1 were down 19 cents, or 0.37 percent, at 50.74 per barrel. Oil prices shot up as much as 19 percent after the Organization of the Petroleum Exporting Countries (OPEC) and Russia last week announced they would jointly cut production next year in an attempt to prop up markets. However, doubts have since emerged about whether the planned cuts will be big enough to end oversupply as both OPEC […]