Large and Small Cap Stocks Styles Research based on Economic Cycle

The article uses Logistic model to analyze the different market variables in the economic cycle, especially, therelationship between the market liquidity, price level and the performance of large-cap stocks, from which the inherent law is found.The effects of Logistic model in predicting the size of cap-style is ideal, these factors can be applied for the forecast of the styles oflarge-cap stocks and small-cap stocks effectively ,and then for the guidance of the development of trade and investment strategies.