The post-earnings-announcement drift is a longstanding anomaly that conflicts with market efficiency. This study documents that the post-earnings-announcement drift occurs mainly in highly illiquid stocks. A trading strategy that goes long high-earnings-surprise stocks and short...

The post-earnings-announcement drift is a longstanding anomaly that conflicts with market efficiency. This study documents that the post-earnings-announcement drift occurs mainly in highly illiquid stocks. A trading strategy that goes long high-earnings-surprise stocks and short...

The relation between aggregate earnings and aggregate returns is complex and not fully understood. For example, in contrast to firm-level relations, prior literature finds aggregate earnings changes and aggregate stock returns are negatively related. This paper constructs new measures of...

We examine how managers adapt their disclosure behavior in response to (public) news shocks not anticipated by them. The extent to which such events would affect subsequent disclosure is a function of the nature of the news---whether it represents ``good'' or ``bad'' news, and whether the news...

We develop real-time proxies of retail corporate sales from multiple sources, including ~50 million mobile devices. These measures contain information from both the earnings quarter (“within quarter”) and the period between that quarter's end and the earnings announcement date (“post...