Wall Street Journal | OPEC's Ability to Influence Oil Supply is Slipping Wall Street Journal OPEC's ability to ease the pain of an oil-supply shock is slipping. For half a century, the Organization of the Petroleum Exporting Countries has buffered global crude markets, curtailing production to ease oil gluts and boosting output to prevent ... Oil falls for fifth day as focus returns to growing exports Iran fulfils pledge to raise oil production 'New age' for oil prompts Citi to raise 2017 forecast to $65 |