Oil prices drop after industry data shows big drop in U.S. crude inventories - MarketWatch
1. U.S. crude inventories rose by 9.04 million barrels last week. 2. Gasoline stocks fell by 2.51 million barrels during the same period. 3. Analysts expect official data to confirm rising crude inventories. 4. The increase would mark the largest in a year if confirmed. 5. Rising inventories suggest bearish sentiment in the oil market.