We find that both institutional owners and short sellers decrease their positions prior to earnings announcements, and increase their positions in the post-announcement period. Pre-announcement changes in institutional holdings and short interest have significant explanatory power with respect...

While it is widely acknowledged that companies face increasing cybersecurity risk stemming from hackers stealing customer information, a relatively unknown cybersecurity risk is from information leakage and subsequent trading by digital insiders – hackers who target corporations to obtain...

Both institutional owners and short sellers decrease their positions prior to earnings announcements, and increase their positions in the post-announcement period. Pre-announcement changes in institutional holdings and short interest have significant explanatory power with respect to abnormal...