U.S. natural gas futures swung on Monday as the market continued to weigh conflicting information about when Freeport LNG might return to service.

While Henry Hub ultimately finished higher, a rally earlier in the day fizzled after Bloomberg cited anonymous sources who said the terminal would likely cancel shipments scheduled for November and December.

The contract seemed poised for a strong recovery from Friday’s losses, when unverified rumors on social media about further delays to Freeport’s restart stirred the market. 

The liquefied natural gas operator responded last Friday to what it called “false information circulated today about the restart of Freeport LNG’s liquefaction facility.” Freeport said it had not made any public statements on the timing of its highly...