10 MAR Update: ForEx Directory, for those interested in trading foreign currencies. Numerous places offer free FX demo accounts for you to practice.

* Before getting a live account anywhere, check the place out thoroughly, read the fine-print. Research very carefully, you can lose a hell of a lot of money ifya don't know what you are doing. So have fun practicing with demo accounts.

Interbank FX opens weekly trading session at 6:00 PM (18:00) Eastern Time on Sundays.
It closes weekly trading session at 4:00 PM (16:00) Eastern Time on Fridays.