This paper evaluates how investor sentiment contributes to the explanation of idiosyncratic volatility from a firm-level perspective in the Chinese stock market. After constructing a comprehensive firm-specific investor sentiment (FSIS) index using principal component analysis, we find a...

Using a large sample of data on insiders’ stock selling and rumors about A-share listed companies in China, this study empirically tests whether and how rumors about companies are used to manipulate the market in the context of insiders’ stock selling. We find that the probability of a...

Active government intervention is a striking characteristic of the Chinese stock market. This study develops a behavioral heterogeneous agent model (HAM) comprising fundamentalists, chartists, and stabilizers to investigate investors' dynamic switching mechanisms under government intervention....