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• W2943886012 abstract "This paper studies the influence of investor sentiment on the A share market of China. According to the behavioral financial theory, transformation of investor sentiment will trigger irrational transaction behavior and have an influence on the Chinese stock market. We study the effect of more than 23 million investor’s comments posted on EastMoney.com, which is the biggest stock BBS in China. We utilize TextCNN to mine emotional tendency of investor comment stock comment, classify comments into positive, negative and neutral. The classified accuracy of validate set can reach 90%. And utilize such emotional tendency to define investor sentiment index. Based on our research, we find that the correlation between sentiment index and Shanghai Composite Index (SHCI) is positive, statistically significant and exponentially decays in period of time. Besides, with Hurst parameter H, it indicates that investor sentiment have long-range correlations, investor sentiment will develop as the current trend." @default.
• W2943886012 created "2019-05-16" @default.
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• W2943886012 date "2019-01-01" @default.
• W2943886012 modified "2023-09-27" @default.
• W2943886012 title "The Comment of BBS: How Investor Sentiment Affects a Share Market of China" @default.
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• W2943886012 doi "https://doi.org/10.1007/978-3-030-19945-6_19" @default.
• W2943886012 hasPublicationYear "2019" @default.
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