Bloomberg: Hedge funds boosted bearish wagers on oil to a four-year high as U.S. supplies grew the most since 2001.
Money managers increased short positions in West Texas Intermediate crude to the highest level since September 2010 in the week ended Jan. 20, U.S. Commodity Futures Trading Commission data show. Net-long positions slipped for the first time in three weeks.
U.S. crude supplies rose by 10.1 million barrels to 397.9 million in the week ended Jan. 16 and the country will pump the most oil since...