Natural-gas prices closed at fresh two-year lows Monday as tame weather forecasts keep traders believing that supply is strong enough to overwhelm demand for the heating fuel. The front-month March contract settled down 1.1 cents, or 0.4%, at $2.68 a million British thermal units on the New York Mercantile Exchange. Gas is on a four-session losing streak, its longest in two months, and at its lowest settlement since Aug. 29, 2012. Weather updates from the weekend are showing limited cold for the next two weeks. Below-normal temperatures are limited to the Northeast while far above-normal temperatures are covering the entire western half of the country, spreading as far east as St. Louis. Without any sign of an extreme Arctic cold front coming for most of February, there is little hope for gas bulls, analysts said. Half of all U.S. homes use natural gas for heat, and that usually drives […]