CNBC | Oil set for biggest weekly loss since January CNBC At a meeting of OPEC experts last week, Riyadh threatened to raise oil output steeply to bring prices down if Tehran refused to limit its production, a source from the Organization of the Petroleum Exporting Countries (OPEC) said. The meeting was ... Oil Prices Set For Biggest Weekly Decline Since January Oil Prices Have Steadied…But For How Long? Oil Falls to Fresh One-Month Low on Jump in Inventories |