Natural-gas prices ticked slightly lower Tuesday, as traders eyed spring weather and lower demand. Futures for May delivery settled down 0.4 cent, or 0.2%, at $2.64 a million British thermal units on the New York Mercantile Exchange. That put gas back within 5 cents of the 7-week low it set on Friday. Natural gas lost 8.6% in the first quarter, marking its third consecutive quarterly loss. Natural gas prices have fallen 41% in the past three quarters, the biggest such losing streak in 3 years. Prices stayed within a 7-cent range in what one analyst called a “spooky” quiet session. Only about 50,000 contracts traded during floor hours, the lowest number since July 30, 2010. About three times that traded in total volume – including electronic trading hours – through 3 p.m. EDT, which would still make this one of the lightest sessions […]