CNBC | Oil extends losses as delegate says OPEC will keep policy unchanged CNBC The Organization of the Petroleum Exporting Countries (OPEC) meeting in the Austrian capital was largely seen as a showdown between rivals Saudi Arabia and Iran, with Riyadh trying to revive coordinated action or a formal oil output target, but Tehran ... Saudi Arabian energy minister says Opec must 'steward' oil market Oil Prices Gain Ahead of OPEC Meeting Opec leaders meet in Vienna as Iran rejects oil output cap |