Shares in land-based salmon producer Atlantic Sapphire rallied on Tuesday closing 1.6 percent higher in Oslo trading at NOK 35.25 (€3.63/$4.21) after hitting a record low during the day.

Shares dipped by around 4 percent during the day's trading session to NOK 33.30 (€3.43/$3.98), dragging losses for the past week to 8 percent.

Before the rally, the drop in prices had analysts puzzled.

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"As far as I can see, there are no fundamental factors that explain the fall in the share price in the last few days," Kepler Cheuvreux analyst Christian Olsen Nordby told IntraFish sister publication Dagens