Trading seems so simple. After all, a price can only go up or down so all traders have to do is pick the right direction then sit back and wait for the money to roll in, right? Well, not quite....

Common mistakes in trading:

1. Trading without a trading plan

2. Trading too much, too soon

3. Emotional trading

4. Guessing

5. Not using a stop-loss order

6. Taking too big positions

7. Taking too many positions

8. Overleveraging

9. Revenge trading

10. Letting profitable trades turn into losses

11. Not tracking trades in a trading journal

12. Don't forget about your investment time horizon

13. Being able to accept losses

14. Following the crowd

15. Trading in multiple markets at once

16. Chasing markets with strong past performance