The views expressed are his own.) U.S. natural gas prices have risen by a third since hitting a two-decade low in the first quarter, amid signs supply and demand are rebalancing and excess stocks left over from an unusually warm winter are being worked down. The volume of gas in working storage hit a record 4.01 trillion cubic feet in November 2015 and is still at 3.18 trillion cubic feet, according to the U.S. Energy Information Administration ( tmsnrt.rs/29AF787 ). Gas stocks are 513 billion cubic feet (19 percent) higher than in the same week in 2015. But the build has shrunk steadily from a record 1.014 trillion cubic feet (69 percent) in March ( tmsnrt.rs/29tgsGw ). In response to […]