Pro Trader (Trading of Financial Products)

This website allows you to practice your trading skills:
http://tankinlian.com/trader/

You are given simulated prices for 4 financial products which change in response to economic news. You can buy or sell up to 10 contracts of these products. You will see your gain or loss each second, as the prices change.

You have to register an account and select the single player mode. There are instructions for how to trade. You can play the multi-player game and compete with other players.

All the best.