Natural gas gained Friday, snapping a four-day losing streak, on forecasts for colder-than-average weather in the next week and expectations that inventory levels will still be lower than normal headed into the winter. Natural gas for December delivery rose 4.3 cents, or 1.1%, to $4.020 a million British thermal units on the New York Mercantile Exchange. A frigid winter last year depleted natural-gas stockpiles amid record demand for gas-powered heating in homes and offices. About half of U.S. households use natural gas as their primary heating fuel. Supplies have rebuilt rapidly this year as production exceeded expectations, but supplies are still below the five-year average level for this time of year. The U.S. Energy Information Administration is set to release inventory data for the week ended Nov. 7 at 10:30 a.m. EST. Analysts and traders expect the agency to report that 38 billion cubic feet […]