Natural Gas Slumps 10% on Possible Export Delay, Mild US Weather

US natural gas futures tumbled the most since June as potential delays to the restart of a key export plant and uncertainty about mid-November cold eased concern about tight supplies.

Gas for December delivery slid 10% to settle at $5.714 per million British thermal units on the New York Mercantile Exchange, just one day after surging 12% as traders bet that wintry weather this month would boost demand for the heating fuel.

The latest forecasts show that below-normal temperatures may be slower to arrive. Meanwhile, Freeport LNG, a Texas liquefied natural gas export terminal, has yet to submit a restart ...