“…Unlike prior literature, we investigate the impact of sentiment resulted from the change of COVID-19, which is a focus of society. Existing studies show that the COVID-19 epidemic can affect the capital market significantly, such as the analyst's forecasts ( Zhang et al, 2022 ), trading and returns ( Bing and Ma, 2021 ), and individual investor sentiment ( Sun et al, 2021 ). More specifically, apart from the whole sentiment under the environment of COVID-19, we capture the more detailed sentiment using various fields of news about COVID-19, including the medical, travelling, uncertain and vaccines’ aspects.…”