Renewed speculation over the next move from OPEC helped pull crude oil prices out of a slump on Friday, though many voices said U.S. shale may be the spoiler. “Khalid al-Falih, the minister of energy, industry and mineral resources of Saudi Arabia and chairman of Saudi Aramco, all but guaranteed an extension of oil production cuts to be officially announced at the end of the month despite the protestations by some Russian oil companies,” Phil Flynn , a senior market analyst for the PRICE Futures Group in Chicago, said in an emailed market report. Members of the Organization of Petroleum Exporting Countries meet later this month to consider the fate of a multilateral production […]