David Frischkorn sees a raft of shipping stocks trading below $5 per share and asks himself why.

He recognises shares have been under pressure — shipping has fallen out of favour with investors in recent years for many reasons, including a lack of sustained earnings.

But the former investment banker for firms such as Jefferies, Dahlman Rose & Co and Seaport Global Securities scratches his head because, in his view, share price ultimately is entirely within the shipowner’s control — with a catch.