A Case Study On The Effect Of Listed Companies' Rename Of Duolun Stock

In recent years,it can be said that China's stock market renamed the phenomenon intensified.A large number of companies changed their name because of industrial upgrading,mergers and acquisitions,such a stock renamed normal.But there are many companies whose shares renamed do not have a real reason,renamed just to move closer to the popular industry.For the rename of listed companies,China's current regulatory is relaxed.If the listed companies want to rename,just need the agreement of board of directors and change the registration to the Trade and Industry Bureau.In this convenience,some listed companies follow the trend renamed,which seriously affected the normal order of the market,so the importance of the topic in our research continue to highlight.This paper follows the logic of "theoretical analysis-case analysis-problem analysis-suggestion" to study the market response of listed companies in China.First of all,starting from the connotation of the stock of listed companies,and summed up the existing research results analysis of the renamed investor behavior model,on the basis of the name from the name of the concerns of investors,the impact of stock and stock risk The impact of three aspects of the stock market renamed the market reaction,the formation of a complete theoretical mechanism.Then,the "Duolun share"changed its name to”P2P”for a specific case analysis,and then use the event research and comparative analysis Investors renamed the "non-event" market response to the shares of Duolun.The study found that investors had an over-market response to the name of listed companies.Performance:investors focus on the ups and downs of the larger,and there is a one-way causal relationship between them;stock valuation of the company's high value and the company's actual value has not been improved;renamed also increased the risk of listed companies.Then,through the system analysis method,the author analyzes the existing problems of the listed companies in the name of the listed companies,and puts forward the proposal to reduce the market name of the listed companies to change the market reaction to the listed companies,the stock renaming management system and the problems of the investors.The author hopes that the research of this paper can provide a useful reference for the future enterprise transformation,investor investment and the change of management system of listed companies.