Has anyone here truly been successful trading foreign currencies. If so, how are you doing it?

Cisco Man asked: With the stock markets in the dumps it seems there are several opportunities to get into trading foreign currencies. Has anyone on here truly had success trading these and where did you learn how to do it. It seems quite risky and since it is leveraged the downside is high. [...]

Can someone explain the stock and bond markets?

LostKoss asked: I have a basic understanding of the stock market and mutual funds.I am just interested in learning more.Please just lay out the market basics in a couple simple paragraphs.
What is a stock?What are the classes?
What is a bond?What are the classes?
What is a treasury bill?
What is a money market fund?
What is a mutual [...]