The Heisenberg principle - If something is closely observed, the odds are it is going to be altered in the process. The more a price pattern is observed by speculators the more prone you have false signals; the more the market is a product of nonspeculative activity, the greater the significance of technical breakout
Bruce KovnerNovice Traders trade 5 to 10 times too big. They are taking 5 to 10% risks on a trade they should be taking 1 to 2 percent risks.
Bruce Kovner