The Study On The Criticism Of Investment Fund Of Stock Performance

With the development of Chinese Stock Market, the Investment Fund of Stock appears as a kind of new investment device. Since the investors still have the fuzzy recognitions, especially on the criticism of investment performance. The paper is written, on the basis of large quantities of empirical researches in light of this problem.The paper includes five chapters. The first chapter aims at introducing the concepts, feature, sources and the internal & external development status of the investment fund of stock. The second chapter explains portfolio theory, focusing on its basic concepts & methods.According as the rules of Er_ a , select the best portfolio of investment and confirm efficient portfolio. The next chapter is the evaluation method of investment performance. The evaluating mathematics model of Chinese investment fund of stock performance is established based on portfolio theory & the capital pricing model which has been discussed in the second chapter. The fourth chapter is the empirical researches. Through the empirical research of Fund JiTai, fund KaiYuan, fund AnXin & fund YuYang, two conclusions are concluded: The achievements of investment funds mostly surpass the average level of the market, furthermore the fund profit is highly related to market combination profit. The means, they have the same rise fall status.The investment fund mainly comes from the appropriate stock selection and long-time possession. Under the serious circumstances of Chinese stock market speculation, it restrains the speculation and stabilize the stock market. At last, the fifth chapter is the policy, suggestion & prospect. The constructive suggestions are proposed in order to improve the normal development of Chinese Stock investment.