Analysis of Macro-influencing Factors of Stock Price Index

As an important part of the financial market, the stock market is a leading indicator of macroeconomics. Changes in stock prices and trends are the focus of much attention in the capital market. Changes in macroeconomic factors have a great impact on the stability of the stock market and investors' investment strategies. In order to explore the main macroeconomic factors affecting the stock price index, the Shanghai Stock Index is used as the dependent variable in this paper. Ten representative macroeconomic indicators are selected. Firstly, make a correlation analysis between these indicators and the Shanghai Stock Exchange Index to screen out significantly related indicators; Secondly, use the SPSS software to perform multiple linear regression on the screened indicators and establish a regression model to obtain the main macroeconomic factors affecting the stock price index; Finally, corresponding policy recommendations are given for the macroeconomic factors affecting the stock price index.