In-depth research, reverse investment. Zhou Jian has two investment preferences: one is the company with growth potential from small to large, that is, the real growth stock, which is the source of long-term excess returns of the fund through the process of holding high-quality companies for a long time and changing from excellent to excellent; One is to look for investment opportunities caused by market expectation differences. When the market attention is low, find the investment value of the company, buy and hold it, and wait for the market to revalue.