The fallout from Wednesday's announcement that Norway is considering a new 40 percent tax on its salmon farming companies presents an opportunity for investors, according to a market commentary from Bonafide Wealth Management, which is invested in major Norwegian salmon farmers including Mowi.

"Today's slide on the seafood exchange in Oslo is unparalleled, the Liechtenstein-based firm wrote in its commentary on Wednesday.

"We see the disruption in the market as a buying opportunity.