CNNMoney | Oil prices below $39 for first time since 2009 CNNMoney Some see that as part of a strategy to pressure American shale oil producers and drive them out of business. It is also a way to flex its muscle at a time when its grip on the global oil market has faded. OPEC used to make up about 60% of the global ... Oil plunges on China worry, pares losses in volatile trade Oil plunges 6% amid market turmoil Oil below $39 for first time since 2009 |