Reuters | Oil falls, US crude ends below $40 on nagging glut worry Reuters NEW YORK Oil prices fell again on Tuesday, erasing early gains and dragging U.S. crude below $40 a barrel as persistent worries of a glut offset the boost from a weak dollar early in the session. U.S. crude futures settled down more than 1 percent ... Oil Drops Amid Global Growth Concerns and Oversupply Worries US crude settles below $40 for first time since April, down 1.4% at $39.51 Crude oil closes below $40 US for 1st time since April |