(Bloomberg) -- Natural gas futures jumped as much as 14% on Friday in New York as a winter storm bears down on the U.S. Northeast.

Gas for March delivery was up 12% to $4.787 per million British thermal units at 9:08 a.m. on the New York Mercantile Exchange. 

The increase followed a historic advance of as much as 72% in the expiring February contract on Thursday amid an apparent short squeeze during the final hour of trading.


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