Market sentiment to COVID‐19 and the Chinese stock market

Liao Xu, Jilong Chen and Hao Xu

Accounting and Finance, 2023, vol. 63, issue S1, 1121-1135

Abstract: We classify the market sentiment to COVID‐19 into expected and unexpected components and then examine their particular impacts on the stock market. We find that unexpected sentiment causes fluctuations in the stock market more than expected sentiment does. However, unexpected sentiment cannot affect stock market informativeness despite the remarkable informational effect of expected sentiment. Moreover, the relation between expected sentiment and stock market fluctuation or informativeness is one‐way, whereas there exists a two‐way interaction between unexpected sentiment and stock market fluctuation. This further confirms that expected sentiment is informational, whereas unexpected sentiment is quite noisy and informationally harmful.

Date: 2023
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https://doi.org/10.1111/acfi.13012

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