Recent share price falls experienced by Atlantic Sapphire appear to show -- at least for the moment -- that 2021 could be the year investors turn away from the high-flying stocks of land-based salmon farmers.

Collectively since the start of the year, the world's major land-based farmers, most of them listed on the Oslo Stock Exchange, have seen their market caps collapse by nearly $1 billion (€848 million).

Six out of seven publicly traded land-based firms have seen their share price slide in 2021.