Business Insider | Crude oil is tumbling after another OPEC meeting flop Business Insider Oil prices dropped about $2 a barrel on Monday to hit one-months low on doubts about OPEC's planned production cut and a build in U.S. crude inventories at the Cushing, Oklahoma storage hub. Officials from the Organization of the Petroleum Exporting ... US crude settles at one-month low on OPEC output cut skepticism Oil Trips Up as More Producers Waver on Cuts Oil Prices Fall as Doubts Grow Over OPEC Deal |