Yes, real information is a major edge. However, any information that is public is already priced into the stock. It can be no other way.
Mtrader...How do you ever get to trading 250 contracts if every month you clean out your account and reset with 2000 or 5000 or whatever you decided to start with?
By the other post, when you give that guy $50,000,000 his chances of winning increase because he can just add to his position until it turns around.
This is a martingale strategy and one often used in Vegas. You do not need an edge. Simply a true random strategy. Keep betting on black and with a large enough bankroll you win back your losses plus one. You do not need to piggyback anyone to make this work.