Norwegian owner Ocean Yield is reconsidering the level of debt involved in adding to its fleet as ship prices rise.
Bulkers and boxships have seen asset values jump in hot markets, with a 4,500-teu panamax built in 2011 increasing from $19m to $60m this year.
The Oslo-listed company's chief executive Lars Solbakken told a conference call with analysts that leverage is being examined when new investments are considered.
