Natural-gas futures declined Monday as traders weighed the currently oversupplied market against expectations that frigid weather has boosted demand for the heating fuel. March futures fell 7.2 cents, or 2.4%, to settle at $2.879 a million British thermal units on the New York Mercantile Exchange. Prices rose as high as $3.039/mmBtu in overnight trading. About half of U.S. households use natural gas as their primary heating fuel, and cold weather can cause price spikes as utilities and other buyers compete for supplies. This winter, robust production and moderate temperatures have kept prices subdued. Unusually cold weather settling in across the Midwest and East Coast in recent weeks has boosted prices somewhat. Weather forecasts released Monday showed a colder outlook for the next six to 10 days, and below-normal temperatures are expected to persist in the next 11 to 15 days, said Gaithersburg, Md.-based forecaster MDA […]