This paper examines the profitability of momentum strategies within the Malaysian stock market. Its also investigates relationship between stock returns and past trading volume. The study finds weak but insignificant evidence of momentum returns for Malaysian equities which is pervasive across...

We perform a large-scale empirical analysis of pairs trading, a popular relative-value arbitrage approach. We start with a cross-country study of 34 international stock markets and uncover that abnormal returns are a persistent phenomenon. We then construct a comprehensive U.S. data set to...

We examine how firms' tweeting behavior affects earnings-news returns. Tweeting about earnings news increases the magnitude of announcement returns, particularly when the earning surprise is small and positive and when the firm is less visible as measured by firm size or analyst coverage. We...

We examine how weather conditions near a firm's major institutional investors affect stock market reactions to firms' earnings announcements. We find that unpleasant weather experienced by institutional investors leads to more delayed market responses to earnings news. Moreover, unpleasant...

We examine whether exogenous and extremely negative events such as terrorist attacks and mass shootings influence the sentiment and forecasts of sell-side equity analysts. We find that analysts who are local to these attacks issue forecasts that are relatively more pessimistic than the consensus...

This paper shows investors' lottery preference can attenuate price underreaction to extreme good earnings news. Such news reaffirms investors' preference for stocks with strong ex ante lottery-like features, thereby accelerating price adjustments. We find that PEAD attenuates for stocks with...

We explore the possibility that overnight returns can serve as a measure of firm-specific investor sentiment by analyzing whether they exhibit characteristics expected of a sentiment measure. First, we document short-term persistence in overnight returns, consistent with existing evidence of...

This study investigates the differential role of investor sentiment on the value relevance of book value versus earnings. I predict and find that the value relevance of book value is higher during low sentiment periods relative to high sentiment periods, and that the value relevance of earnings...

This study investigates individual and institutional trading activities in competing firms to infer informed trading. We find evidence for individual and institutional informed trading in competing firms around earnings announcements. The evidence is stronger prior to announcements than after...

Holding earnings surprise constant, investors react negatively to late earnings announcements. One standard deviation of announcement delay (about 5 days) corresponds to 23 bps lower abnormal returns over a two-day announcement window. We show that the results are robust to further controlling...