There are several dimensions in analyzing the market trend. The most common one is technical analysis. However, in actual combat, it is found that “the horse is behind the gun”. Fundamental analysis is easy to say, EPS, EPS, P/B, and ROE. In fact, the fundamentals include policy, news, and even black swan events. No one dares to say I have 100% confidence in the fundamentals of this company, because at any time it is dynamically balanced, no one can predict tomorrow. Therefore, there is another dimension that came into being, that is to follow the big money.