Natural gas prices strengthened Tuesday on abnormally cool spring weather forecasts, which could increase demand for the heating fuel. Futures for May delivery settled up 3.9 cents, or 1.5%, at $2.575 a million British thermal units on the New York Mercantile Exchange. Now that the peak of winter demand season is past, the gas market is dominated by low volatility and traders who buy and sell based on charts, analysts and a broker said. That has led to small seesaw moves and only a gradual and grinding descent in prices since late December. “Short-term temperature forecasts still tilt bullish, but not enough to sustain price advances much above this week’s highs,” energy-advisory firm Ritterbusch & Associates said in a note. The market is likely to remain steady, said Frank Clements, co-owner of Meridian Energy Brokers Inc. Below-normal temperatures in the Midwest in the […]