Reuters | Oil up 3 percent in largest gain in three weeks; volatility threatens Reuters The Organization of the Petroleum Exporting Countries tweaked its 2015 world oil demand growth forecast to 1.18 million barrels per day (bpd), above a previous estimate of 1.17 million. In Yemen, Saudi-led air strikes aimed at Iran-allied Houthis ... Ewart: Oil rally has limits, OPEC predicts sub-$100 prices for next decade Oil jumps more than 2 per cent; volatility threatens Opec revises up oil demand and cuts US supply forecast |