Natural-gas prices rose slightly Friday after weather forecasts suggested strong demand in the coming weeks, outweighing signs of continuing oversupply. The front-month August contract settled up 1.6 cents, or 0.6%, to $2.87 a million British thermal units on the New York Mercantile Exchange. For the week, gas gained 3.6%. The small moves are a continuing sign of plummeting volatility in gas. It has settled within about a 23-cent range every day for more than a month, and settled within an eight-cent range every day this week. Traders, especially on Friday, have been caught between signs of strong demand in the power sector and continuing signs of oversupply from producers. “It’s probably fairly priced going into the weekend,” said Frank Clements, co-owner of Meridian Energy Brokers Inc. outside New York. “I think people are going to wait for the hot weather to pan out.” This week’s gains […]