Shares of the world’s largest salmon farming companies have almost all tanked, with a whopping $4.3 billion (€3.6 billion) wiped off the value of the 10 biggest publicly listed firms.

Having all taken the same V-shaped fall and rise in the Great Pandemic Sell-Off in March, nine out of 10 of the producers are yet to recover from the losses, with poor salmon spot prices and high costs leaving a lasting stain on investor confidence.

Only one major salmon farmer, Salmar, has seen its share price climb since the beginning of the year, by a modest 3.41