Media playback is unsupported on your device

Does drop in key shipping index predict global slowdown?

10 February 2014 Last updated at 10:19 GMT

Before the world fell into recession in 2008 there was one area of the global economy that gave a warning signal - the shipping industry.

The key measure used by industry to track freight rates is the Baltic Dry Index, which historically has been seen as a great forecaster of global economic demand.

However it has lost half its value this year - so should we be worried?

Jeannie Joye reports.

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.