Prior research suggests that some investors may hold earnings expectations that are biased toward seasonal random walk (SRW) predictions. We provide direct evidence that the net buying activity of small (large) traders around earnings announcements is significantly positively associated with SRW...

The persistence of the post-earnings announcement drift leads many to believe that trading barriers prevent knowledgeable investors from eliminating it. For example, Bhushan (1994) contends that sophisticated investors quickly drive prices to within trading costs of efficient values. We examine...

The Securities and Exchange Commission (SEC) has mandated new disclosure requirements in Form 8-K, which became effective on August 23, 2004. The SEC expanded the list of items that have to be reported and accelerated the timeliness of these reports. This study examines the market reactions to...

Post-earnings announcement drift is the tendency for a stock's cumulative abnormal returns to drift in the direction of an earnings surprise for several weeks following an earnings announcement. We show that the drift is significantly larger when defining the earnings surprise using analysts'...