MarketWatch | Oil logs weekly drop on concerns over rise in US crude supply and output MarketWatch Many factors are driving oil prices right now, including whether OPEC production cuts will be extended past June and the U.S.'s “ability to ramp up shale production to mitigate the impact of the [Organization of the Petroleum Exporting Countries ... Crude Oil - A Holding Pattern Oil slips as growing stocks overshadow Opec cut Oil rises modestly in tight trade, boosted by OPEC hopes |