Reuters | Oil prices retreat again as oversupply bites Reuters SINGAPORE (Reuters) - Crude oil prices fell on Thursday, with both Brent and U.S. WTI futures dropping around one dollar because of a global oversupply, following a volatile session the previous day when prices had rebounded sharply from near-six-year ... Oil prices retreat again, Brent dips below US crude futures Oil pivots, gains the most since June 2012 Oil dips after big rally as oversupply weighs on market |