(Bloomberg) -- European gas gained on the first trading day of the year as the loss of a key supply route coincided with freezing temperatures across the north of the region and an unplanned disruption in Norway.Most Read from BloombergIs This Weird Dome the Future of Watching Sports?NYPD Seeking Gunmen After 10 People Wounded Outside Queens VenueDetroit’s Michigan Central Is the Building Revival Story of 2024Burned Out Parents Need Better Public SpacesA Commuting Resolution for 2025: Ride Your