Reuters | Oil falls as Iran firm on export rise, US rigs decline slower Reuters LONDON Brent crude prices fell for a fourth consecutive session on Monday as investor focus returned to global supply, with Iran insisting on a rise in oil exports and U.S. drillers slowing the reduction in rigs. Global benchmark Brent futures LCOc1 ... Oil Dips on Supply Concerns Oil price: Has rally set a $50 ceiling? Oil prices pitch lower on signs global supply glut remains |