MarketWatch | Oil futures drop to multiyear lows with supply glut seen as 'biggest threat' MarketWatch The latest U.S. data revealed a big weekly drop in crude supplies, but also showed that gasoline inventories jumped and oil production climbed. A weakening Chinese economy and escalating tensions in the Middle East may add to the global glut of crude. Brent Oil Tumbles to 11-Year Low as Supplies at U.S. Hub Climb Futures trim losses after data; Dow futures still off triple digits |