Natural-gas prices dropped to their lowest closing price in nearly six weeks as several factors have begun to convince traders that record supply can handle strong demand. Prices for the front-month June contract fell 9.7 cents, or 2.1%, to $4.434 a million British thermal units on the New York Mercantile Exchange. It’s the fourth straight losing session for gas, the longest losing streak since late February. Prices are down 7.6% since Wednesday. Several factors are building confidence in the supply of gas, most notably the steady inventory additions that started pushing down prices last week. Producers added 74 billion cubic feet of gas to storage for the week ended May 2, the U.S. Energy Information Administration said Thursday. The gains beat Wall Street expectations for the third straight week and triggered the biggest losses. Natural-gas futures dropped 3.5% that day. Money managers who had piled […]