The Influence Of Lyricism On Stock Market Returns

This paper generally uses the relatively new big data mining technology to capture Wall Street's public opinion heat and stock market income data.Select the proxy index data of weekly and daily frequency,and optimize the proxy index of public opinion and improve the limitation of selecting the proxy index.In order to reflect the heat of public opinion in a more comprehensive way,the daily news volume is directly monitored,and the domestic news volume and foreign news volume are respectively counted,and the heat index of public opinion is constructed based on relevant literature.At the same time,the stock index was selected as the index data of the stock market yield.In order to more fully reflect the changes in the yield,the Shanghai-Shenzhen 300 Index and the Hang Seng Index were selected as the representatives of the Chinese stock market and the Hong Kong stock market,and the yield was analyzed in conjunction with the changes in stock prices.Then,the data obtained from climbing are studied,and the correlation between public opinion and stock market returns is discussed through Granger's causal analysis.Taking the impact of Chinese financial news media reports on the overall mood of investors as an entry point for research,using Wall Street reports as an information source for Chinese financial news media reports,and searching for relevant data based on social networks,After data processing,analysis,and research,it is concluded that:(1)There is a correlation between stock market earnings and public opinion,and it is a positive correlation;(2)The influence of international public opinion is more obvious than that of domestic news.Overall,the amount of financial news has a direct impact on the stock index,and public opinion has a great influence on the stock market returns.