Research On Investor Decision Optimization Based On The Perspective Of Baidu Index

Limited attention will become an important factor influencing asset prices in modern times.In view of the fact that most ordinary investors in the capital market of our country,researching investor attention has become more realistic.For the study of investor attention,this paper focuses on whether the attention will affect the returns and liquidity of China's A-share market,and whether it can have a predictive effect on future stock performance.This article empirically analyzes the impact of current and lagging investor attention on earnings and trading volume,and finally concludes that when investor attention increases in the current period,stock investment returns and trading volume will increase,while continued investor attention will increase Bringing down the return on stock investment,this is the "price reversal".However,the difference in price will affect the performance of stock returns in the second week.When the stock breaks through the high price point,there will be a "price reversal" in the second week.When the stock price breaks through the low price point,this kind of The earnings will continue for another week,so investors can use this to improve their investment strategies.