Natural gas futures eased Friday as a smaller-than-expected decline in U.S. inventories raised doubts about the health of demand for the heating fuel. Natural gas for February delivery fell 1.7 cents, or 0.4%, to settle at $4.304 a million British thermal units on the New York Mercantile Exchange. Prices swung in a wide range as traders gauged potentially conflicting signals on the pace of natural gas use. Futures fell by as much as 2.7% after the Energy Information Administration reported the amount of natural-gas in storage fell by 97 billion cubic feet last week. Analysts and traders in a Wall Street Journal survey had forecast a draw of 134 […]