Morten Arntzen cut a positive figure the last time the shipping world assembled for Posidonia. Speaking in a country straining under the double weight of a shipping and national debt crisis, the tall American predicted that owners were sitting on the best opportunity they had seen since the mid-1980s.

“Fortunes will be made,” the then chief executive of Overseas Shipholding Group (OSG) declared, four years into the deepest industry recession in a generation.

Although