13. Control your own funds.
If you sell a stock when it is soaring, then it continues to rise, even if it is about to stop trading, never buy it back. Otherwise, you have a high probability to stand guard!It is the key to long-term profit to formulate clear trading rules and disciplines and strictly abide by them.9. Control your own information sources.
12. Control your own discipline12. Control your own disciplineChoose reliable information sources and analysis tools to avoid information overload and focus on key market information.