MarketWatch | Oil finishes lower, but retains grip on monthly, quarterly gains ... MarketWatch Oil finish lower Thursday, pulling back after a climb in previous session, but prices keep a tight grip on their gain for the month as traders ready for the last trading ... Crude Oil: Shale-Zilla Knocking On The Door Oil Prices Pare Earlier Day Gains in Asia Oil slips 1%, extends fall from 2015 peaks |