Brent fell towards $58 a barrel on Tuesday, extending the 2-percent loss in the previous session, as oversupply fears lingered, overshadowing any optimism on the outlook for the global economy. Brent (LCOc1) fell 41 cents to $58.49 a barrel by 0140 ET, while U.S. crude (CLc1) was down 51 cents at $48.94. “The spreads for crude oil are becoming severely altered by the refinery strikes. For the WTI-Brent spread, with a lower capacity to refine crude oil, WTI remains in excess in the market compared to Brent.