Loss-making APL has fallen steadily behind rivals able to invest in larger and more economic containerships in recent years, while Temasek has sold off its profitable assets. APL Logistics went to Japanese forwarding group Kinetsu World Express for $1.2bn in May.

Rumours this year have already linked APL to possible acquisitions by Hong Kong-based rival OOCL and Germany’s Hapag-Lloyd - but there has been little solid evidence to back up the speculation.

Temasek,