Wall Street Journal | Gulf Oil Producers Ramp Up Price War as China, Supply Concerns Persist Wall Street Journal On Monday, OPEC said low prices were beginning to hurt American production and causing consumers across the world to use more oil products, driving up demand. Those supply and demand forces could move oil prices higher, but OPEC said it wasn't ... Opec has victory in its sights in oil price war with US shale MarketsOil rout slows US shale growth, Opec says OPEC says the world will want more of its oil next year |