The three most important things that Mr. Buffett said:
First, keep the principal
Second, keep the principal
Third, the most important thing is to keep the principal
Therefore, it is recommended that you get more familiar with the fluctuation rules of this market, either leave completely or continue to live, as long as you can survive, when the accumulation is enough, there will always be a possibility of a wave of explosion, and the principal is gone, which is one of the reasons why it is not recommended to play contracts.
Remember, we are playing investment, not speculation. The essential difference determines the outcome. Contracts will only make you farther and farther away from this circle!