| Portfolio theory has been developing for several decades. The environment of its application has become increasingly closer to reality. How to use the theory to create more profits become consistent objective of the researchers.Whether the analysis of microeconomic factors or of the macroeconomic variable in secent years, its purpose is to form a more rational portfolio. With the development of industry economics.it has become a new subject to analyze the investment portfolio through the analysis of industry factors.This paper focus on forming a more rational investment portfolio in the view of the value.during the process, the fuzzy comprehensive evaluation method is introduced to value the survey industry. Then industry value and its stock be positive correlation in addition to particularly high or low value industry. At the same time, the paper proposed the concept of industry boundaries under the strict assumption.It can pointed out the way not only to optimize the investment portfolio and choose the right stock but also to save time. Comparing the stock yields of 6 months, we can find the season characteristics of the stock and make it seasonal allocation. In short, this paper further defined the rational allocation characteristics of the investment portfolio: assets characteristics and season characteristics. |
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