-Natural-gas prices closed at a two-week high Wednesday as weather forecasts and low prices gave buyers the upper hand. Prices for the front-month September contract settled up 3.6 cents, or 0.9%, at $3.933 a million British thermal units on the New York Mercantile Exchange. It was the market’s third straight day of gains, the longest streak since the first week of June. Prices have recently stabilized and this week started to rebound slightly from a summer of losses. While unseasonably cool forecasts are still signaling soft demand, they aren’t as cool as they once were, inspiring some buying, analysts said. Utilities have also had time to adjust and, with prices below $4, are likely switching away from coal to use more gas, said Aaron Calder, senior market analyst at energy-consulting firm Gelber & Associates in Houston, in a note. Last week’s stockpile addition […]