1. They look at objective indicators. Removing the emotions from the investing process, they focus on data instead of reacting to events;
2. They are Disciplined:  The data drives decision making with pre-established rules. External factors do not influence them;
3. They have Flexibility:  The best investors are open-minded to new ideas, or revisiting previous thoughts;
4. They are Risk adverse: Not always obvious to investors, it is a crucial part of successful investing.