http://chinese-school.netfirms.com/raw-materials.html
yitbos
Okay, so he's pimping his book, too. LOL
Commodities "investing" goes something like this:
I'll bet you the price will go up
Response: I'll betcha it'll go down. How much ya wanna bet?
Stock market investing puts money into a system that historically has created wealth. Commodities investing puts money into a system that has a loser for every winner.