Natural-gas prices inched downward Wednesday as calm spring weather and limited demand brought low volatility back to the market. Natural gas for June delivery settled down 0.4 cent, or 0.1%, at $2.776 a million British thermal units on the New York Mercantile Exchange. Trading stayed within a 7.5-cent range all day. Mild weather limits the demand to use gas for heating buildings and feeding the power plants that fuel air conditioners, often causing prices to fall and trading to slow in the spring. That has taken the steam out of the market’s most sustained rally since February as analysts have reminded traders that large surpluses are likely through the rest of May, at least. The U.S. Energy Information Administration’s weekly storage update scheduled for Thursday is likely to show a 75 billion cubic-feet addition for the week ended May 1, according to the average forecast of […]