Shipowner John Fredriksen has made a quick profit of $32.5m since investing in US drillship player Valaris a month ago — and has continued to build his stake.
The investor bought into the world's largest oil and gas contractor on 9 December, taking a 5% stake at a cost of $115m.
Now, a filing in the US by his Famatown Finance company has revealed further share acquisitions, bringing his holding to 6.2%
