Natural-gas prices closed lower on Friday for a second day, as big surpluses of the fuel and expectations of lower demand encouraged selling. Prices for the front-month October contract fell 7.3 cents, or 1.9%, to $3.837 a million British thermal units on the New York Mercantile Exchange. After a rally above $4/mmBtu to start the week, two days of losses have brought gas back toward the bottom of a 32-cent range in which it has traded for nearly all the past two months. Traders began selling on Thursday, after the U.S. government reported stockpiles grew last week faster than expected. That selling continued into Friday, traders and analysts said. Producers are refilling storage at a record rate, fast enough to get storage levels back to nearly normal, even though they started the spring at an 11-year low, according to the U.S. Energy Information Administration. Weather […]