Investing.com | Crude Oil Futures - Weekly Outlook: December 5 - 9 Investing.com Investing.com - Oil prices rose for a third day on Friday, settling above $51 a barrel after the Organization of the Petroleum Exporting Countries reached an agreement to cut output for the first time in eight years in order to reduce a global supply ... Game of oil: Behind the OPEC deal After OPEC - What's Next For Oil Prices? Opinion: Big Oil is in decline, and the OPEC deal can't rescue it |