The world's largest shipbroker saw pre-tax profit shoot up by 49% to £23.6m ($36.94m) in the six months to the end of June.

It was driven by a 30% rise in revenue, which reached £145.3m.

Andi Case, chief executive of Clarksons, said: "The multi-cyclical and volatile nature of our markets has once again been demonstrated by the sudden shift in oil and other commodity prices, giving rise to a consequential change in the demand supply balance in many markets.

"Across