Natural gas prices fell Thursday in a volatile session of trading after a weekly inventory report showed stockpiles grew more than expected. The U.S. Energy Information Administration said Thursday that storage levels grew by 29 billion cubic feet of gas during the week ended Aug. 5. Analysts, brokers and traders surveyed by The Wall Street Journal had expected inventories to grow by 21 bcf. Prices initially slipped after the EIA’s report, pared losses and then slipped again in afternoon trading. Contracts for September delivery settled down 1.0 cent, or 0.4%, to $2.551 a million British thermal units on the New York Mercantile Exchange. Natural gas prices have fallen five sessions in a row, settling Wednesday at their lowest level since mid-June, as analysts have grown increasingly concerned about an oversupply in the market. “The market is beginning to encounter some significant headwinds given this advanced stage of the cooling […]