Hedge funds got more bullish on natural gas as a blast of cold air swept across the U.S., pushing prices to the highest level in more than two years. Money managers increased net-long positions , or bets on rising prices, by 33 percent in the week ended Dec. 17, U.S. Commodity Futures Trading Commission data show. Bullish wagers advanced for a fourth week and to a six-month high. Prices rose 21 percent during the four weeks as below-normal temperatures spread across the lower 48 states and a storm dumped as much as 18 inches of snow from the Midwest to the Northeast. U.S. inventories have fallen faster than the five-year norm since early November, government reports show. “Wall Street has been throwing a lot of money at this market,” said Stephen Schork , president of Schork Group Inc., a consulting group in Villanova, Pennsylvania . “It’s […]