The top commodity trading companies made profits of $250bn in the last decade - how did they do it, what does that tell us about the world economy and will the profits last? Show more
Discover 11,128,835 listings and 279,871 playable programmes from the BBC
The top commodity trading companies made profits of $250bn in the last decade - how did they do it, what does that tell us about the world economy and will the profits last? Show more