This study constructs the institutional- and individual-based probability of informed trading (PIN) by adjusting Easley, Hvidkjaer and O'Hara (2002) and investigates the impact of the informed trading behaviors of institutions and individuals on the post-announcement drift around the earnings...

This paper examines empirically the announcement effect of commercial corporate governance ratings on share returns. Rating downgrades by Institutional Shareholder Services (ISS) are associated with negative returns of –1.14% over a 3-day announcement window. The returns are highly correlated...

We examine the role of institutional investors underlying post-earnings-announcement drift (PEAD). Our results show that while institutional investors generally herd on earnings news, such correlated trading among institutions does not eliminate or reduce market underreaction to earnings...

This paper empirically examines the incremental relation between trading volume surrounding quarterly earnings announcements and institutional holdings. Consistent with Cready (1988) and Lee (1992), we find a significant positive relation between abnormal trading volume and the fraction of...