AquacultureSeafood shares fell sharply in Oslo last year, but a few companies defied the marketIntraFish research sees land-based companies both topping and tailing the list.Shares in Norwegian land-based Gigante Salmone, led by CEO Helge E. W. Albertsen, saw the best development during 2022. The company is a small land-based salmon group in the process of building a plant in Northern Norway.Photo: Gigante SalmonAnders FurusetHanna Gezelius