1. How to stock, you need to come in with your own funds for actual combat, otherwise you can only talk on paper after reading for ten years, and when you think you are a master, coming in may be weakened. It is suggested that a small amount of money be used for actual combat speculation, which is better than anything else.

2. Short positions in a bear market are big winners. Even with absolute discipline, there is no guarantee that there will be no loss.

3. Good advice is to use a small amount of money (110, at most 1/5) to feel and hone.

4. The book "Master of Stock Market" was written by an American author and searched by himself in Baidu.