Whats the best financial derivative instrument and way to use it to become a millionaire on the stock market?

I want to know in your opinion what is the best financial instrument, and way to use it for accumulating millions on the stock market, and which product is best for a UK based investor to do this?|||I prefer futures contracts. They have the best leverage, liquidity and volatility. They are for "real" men only, not wankers.|||If someone knew they wouldn't be talking and they would be very wealthy.