CNBC | Oil prices rise on supply concerns ahead of OPEC meeting CNBC Oil prices rose on Friday ahead of a meeting of OPEC and other large crude exporters that will focus on production increases as U.S. sanctions restrict Iranian exports. OPEC and its allies are scheduled to gather in Algeria on Sunday to discuss how to ... Oil Set for Weekly Gain on Iran Risk as US Demand Strengthens US 'Likely' Returns as World's Top Oil Producer Oil Prices Decline After Trump Demands Lower Prices |