Spar Shipping has seen its bottom-line result return to the black as the Norwegian bulker owner also reported it is continuing to pursue a claim against Grand China Logistics for more than $30m.

The company's annual report for 2017 shows a pre-tax profit of NOK 152m ($19m) compared with a NOK 178m loss in 2016. Operating revenue increased to NOK 671m from NOK 454m in 2016.