Oil prices rise on bigger-than-expected drop in US crude stocks ReutersOil Extends Advance After US Crude Stockpiles Post Another Drop BloombergOil Recoups Losses as Technicals Add Support, US Stockpiles Drop Yahoo FinanceU.S. Crude Oil Inventories Fall for Third Straight Week The Wall Street JournalSeasonal Demand and Production Cuts Drive Oil Rally OilPrice.com