By Timothy Puko Natural-gas futures are rising for the third time in four sessions Wednesday as cool spring weather across the U.S. reinforces concerns about gas supply levels. Natural gas for May delivery rose 3.4 cents, or 0.7%, to $4.773 a million British thermal units on the New York Mercantile Exchange. Prices shot up 21.1 cents Thursday morning on reports that stockpiles have been refilling from the winter more slowly than expected and have mostly hovered above $4.70/mmBtu since then. “There’s nothing to move the market one way or another, so it’s just slowly drifting higher as a result of having a colder” year that has pushed demand for home heating, said analyst Dominick Chirichella of the Energy Management Institute. “Natural gas is just not the commodity to trade in this 10 seconds.” Spring is usually a tepid time in the natural-gas market. Demand to heat homes wanes as […]