Research on the Influence of Securities Research Newspapers on the Company's Stock Trend and Investment Strategies

Abstract

Because stocks have the advantages of good liquidity and high returns, many investors will choose to invest in stocks to obtain certain income. But stocks have the disadvantage of high risk. Therefore, certain analysis and research are required when investing in stocks. Under the background of big data, research papers of securities companies can play a certain reference role for investors. The paper extracts the characteristic indexes of 10 stocks, establishes TOPSIS model and multiple linear regression model to analyze the influence of characteristic indexes on the stock trend, and proposes clear investment strategies. In the further analysis, this paper uses the gray relational analysis method to study the impact of the flash of emergencies, public opinion and natural disasters on 10 stocks, so as to propose new investment strategies. The purpose of this study is to provide investors with valuable investment strategies and improve investment efficiency.