Yea try the petrol stations, they had 20,000 liters in their storage tank on Monday, bought at x cents per liter, the oil goes up overseas by a dollar a barrel on Tuesday, then suddenly that same petrol they paid x cents per liter for jumps to xx cents per liter.
The name I think you are looking for Ian is, Bloody Robbers,
I could do better but I can't swear on this site.
Leon