Article Supported from Delong Yang, chief economist of Qianhai Kaiyuan Fund, Delong Yang: 8 Value Investing Essences of Buffett's Annual LetterThe chatGPT and other AI sectors that have been hyped in the early stage have accumulated a large number of profit orders due to the excessive short-term increase, and the possibility of rushing up and falling back is relatively high, and the market style has gradually completed the switch.In April, I suggested that investors should pay attention to the switch of market style, mainly because April may be an important time window for the switch of market style: with the disclosure of annual report and quarterly report, the emperor of many theme stocks and concept stocks New clothes are