上市公司投资者情绪（2007-2024）

Group 1 - Investor sentiment is a comprehensive indicator reflecting the psychological expectations and emotional tendencies of investors in financial markets, influenced by trading behaviors and public opinion [1][2] - High investor sentiment indicates strong market confidence, potentially attracting capital inflows, while low sentiment exacerbates risk aversion and suppresses investment activity [1][2] - Behavioral finance suggests that irrational emotions can guide capital towards hot sectors, with high sentiment prompting "herding" behavior among investors, leading management to adjust resource allocation in response to market preferences [1][2] Group 2 - The data spans from 2007 to 2024, focusing on stock posts from forums and social media, presented in Excel format [3][4] - The dataset includes sentiment scores for specific stock codes over the years, showing fluctuations in investor sentiment [4] - The reference for the methodology used to derive investor sentiment is a study by Ren Xiaosong, Sun Sha, and Ma Qian published in 2024 [5]