4. Control your earsDon't rely too much on any stock. Investment decisions should be based on objective market analysis, not personal preferences.6. Control your greed
Set a reasonable profit target and stop loss point, stop profit in time after reaching the target, and don't greedy for maximizing profit.7. Control your position.9. Control your own information sources.
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!7. Control your position.8. Control your trading frequency.