This paper first gives out the definition and characteristics of stock market cycle,then analyzes the existence of China’s stock market cycle.After briefly introducing the direct measuring method and remaining method which are used to research the market cycle,it illustrates in detail the principle,analysis process and research results of the spectrum analysis method.In the end,it explains the great significance of the research on stock market cycle in investment management.
This paper puts forward Markowitz’s Mean-Variance Model under the VaR(Value at Risk) constraint. After analyzing Markowitz’s Mean-Variance Model under the VaR constraint fit for China’s securities market, it presents the dynamic adjustment method of investor’s optimal securities investment portfolio. In the end, it gives out a practical analytical example in China’s securities market and research conclusions.
