Natural-gas prices rose Tuesday, likely connected to seasonal increases in demand, analysts said. Few, if any, market factors changed from Monday when prices fell, but the bump fits a larger pattern of gas quickly bouncing back and forth this summer, analysts said. Front-month futures have traded within a 31-cent range for six weeks as traders are divided between record demand from power plants and near-record production from the resilient oil-and-gas boom. The front-month August contract climbed 5.9 cents, or 2.1%, to $2.882 a million British thermal units on the New York Mercantile Exchange. The move is a rebound from Monday when it settled down 1.6%, retreating from trading at the high end of its range. “The market is schizophrenic,” said Scott Gettleman, an independent trader in New York. “There’s no rhyme or reason right now.” Consumption of gas-powered electricity often rises in the […]