Financial markets belong to the social sciences, which are not only natural sciences, but also incorporate the subjective perceptions of the participants, and this subjective perception interacts with the objective facts, i.e. There is a countervailing link between imperfect perceptions and actual developments.
A common weakness of small and medium-sized retail investors is that they are able to hold to the bottom in bear markets but not to the top in bull markets. For example, in the previous bear market, a large proportion of stockholders got to a low of 998 points from a high of 2245 points.
