Bloomberg | Oil Posts Weekly Gain as Global Tension Outweighs Shale Fear Bloomberg Crude posted a second weekly gain as a whirlwind of rising geopolitical concerns stole the shale boom's limelight. Futures in New York jumped 1.9 percent on Friday, driving the U.S. benchmark to post a 0.5 percent rise this week after a shaky start on ... Oil prices end higher, helped by signs of growing demand Crisis-hit Venezuela could soon tip the oil market 'decisively into deficit,' IEA says The Single Largest Supply Risk In Oil Markets |