Shares in the Singapore government-controlled company are up 35% since the start of the year, according to the Oslo-based bank.

d’Amico International Shipping is the next best performing share at 33% closely followed by Ocean Yield on 31%.

Teekay Tankers was the best placed crude tanker stock in fifth place with total returns for the year-to-date of 26% followed by Nordic American Tankers in ninth place with 24%.

Gas