The price of shares in land-based salmon farmer Atlantic Sapphire's have dropped like a stone in recent years, shifting its status as one of the industry's most valued players to one of its least valuable.

Tuesday its stock value hit a new low, falling to below NOK 1 billion (€86 million/$94 million) on the Oslo Stock Exchange.

Based on share prices on Tuesday afternoon, the value of land-based salmon companies are as follows:

The size and speed of Atlantic Sapphire's fall depends on which starting point you look at, but one thing is for sure: it has not been easy to make money from its stock.