Petrojack was a Norwegian offshore drilling rig operator.

The company was founded in 2004 and was listed on the Oslo Stock Exchange the next year.

The largest shareholders were Petrolia Drilling (40%), Awilco Offshore (18%) and Sinvest (18%).

On the first day of this extreme rise, at 09:49, the stock was suspended because the share price rose 64% without any statement from the company itself.

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