The prospect of fees to transit the Strait of Hormuz has sparked alarm, not least by investors who fear it could be replicated in other maritime corridors.

Indonesia and Singapore vowed on Monday that the Strait of Malacca, a critical oil transit chokepoint in the region, will remain "accessible" even as Iran imposes fees on ships…

The prospect of fees to transit the Strait of Hormuz has sparked alarm, not least by investors who fear it could be replicated in other maritime corridors.