Though it has recently become a contemporary financial management tool, stock repurchase can be so dangerous that it may raise concerns about insider trading and manipulative transactions. In fact, such concerns underlie the most important critique of stock repurchase and justify its...

This study systematically examines the ability of aggregate insider trading to predict future market returns in the Chinese A-share market. After controlling for the contrarian investment strategy, aggregate executive (large shareholder) trading conducted over the past six months can predict 66%...