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There are many essays talking about decisions in choosing stock. Based on former researchers’ study, this paper focuses on 4 possible reasons for explaining the stock yield among different industries. With the use of Principle Component analysis, we try to simplify our variables. Then, we choose 26 manufacturing companies in Shanghai Stock Exchange, and make multiple linear regression to figure out the significance of variables. From our result, we find that the most three important principal components can well explain the different stock yield of those 26 companies. Hence, we testified that these four independent variables can explain the difference of stock yield among divergent industries. Furthermore, we provide a different way to research the variation of stock yield.

An inquiry of stock yield between different industries