4. Make good decisions even with incomplete information. It is a good idea to gather as much information as possible before entering any single trade, but the available information will never be complete or perfect. Investors need to be trained to work on the facts, figure out what does matter, and take the right trading decisions before all others gain awareness of the situation. They then need to have the courage to put sufficient money behind the trade to achieve a meaningful outcome. 6. Don't make small investments: Amazon's stock price climbed from $38...