Natural gas futures handed back a chunk of recent gains as weakening supply-and-demand fundamentals begin to catch up with a market that had rallied on short-term factors. Robust domestic gas production and an anticipated stretch of larger-than-average additions to gas stockpiles this month are expected to return supplies to a surplus for the first time in 18 months. If that happens, the U.S. would finally overcome the severe supply deficit created by heavy demand for gas-fired heating during the frigid winter of 2014. “We’re producing more gas in the market than we’re burning,” said Aaron Calder, an analyst at Houston-based research consultancy Gelber & Associates. “That’s bearish and it’s putting downward pressure on the market.” Natural gas futures fell sharply in early trading, recovered somewhat and then drifted down for the remainder of the session. The front-month June contract ended down 7.8 cents, or 2.7%, at […]