Reuters | Oil extends losses after report shows surprise US stocks build Reuters TOKYO Crude oil prices fell for a fourth day on Wednesday, as jittery investors awaited official U.S. stockpile figures later in the day after industry data showed a surprise build in inventories, underlining a persistent global glut. The American ... Oil Tanks After API Reports Biggest Build To U.S. Crude Stocks Since March Oil futures fall as sources say API data show US crude supply up 9.3 mln barrels |