| This paper will use the nature of the actual controller of the listed company to distinguish the nature of its equity,mainly to study the market value management behavior of private enterprises and state-owned enterprises.Using the analysis of its development status and current scale,it points out the urgency and necessity of the application and development of the market value management philosophy,and analyzes the motivations,management methods and management of the market value management behavior of different attribute companies under different categories of property rights.result.In addition,after major shareholders have pledged their shares,companies of different natures are likely to face stock price crashes,and they will take measures to deal with risks such as the alert line and subsequent forced liquidation,and whether these actions are appropriate means of managing the market value of the company.It should be noted that some private enterprises may have “false market value management” as a stakeholder in the market and how to identify them,and how regulators should guide normative operations.Through the statistics of the overall scale and market performance of listed companies that meet the conditions for all A shares,it is found that the market value of private enterprises is better than that of state-owned enterprises.Case study of private enterprises in the case of Tianqi Lithium Group and State-Owned Enterprise-Zijin Mining Co.,Ltd.found that compared with private enterprises,state-owned enterprises have less incentive to manage market value after pledged shares,or that state-owned enterprises are motivated to manage market value.Not so obvious.Private companies often find ways to maintain post-pledged share prices and increase yields.Inevitably,they will adopt some short-term actions such as choosing to issue news on a timely basis or increase holdings by major shareholders to enhance investor information.As regulators,they need to be able to lock in time of the companies that use "market value management" to do pseudo-capital management.Strengthen supervision and improve the relevant systems,and give corresponding punishment after determining the facts of violation of laws and regulations.and investors must learn to identify real market value management and simple stock price manipulation. |