We investigate investor reactions to merger and acquisition rumors. Employing a large and comprehensive sample of acquisition rumors, we find that the rumor target firms experience average cumulative abnormal returns of 4.78% over the three days around the rumor, and abnormal returns of -4.48%...

We show that the presence of high frequency trading (HFT) has significantly mitigated the frequency and severity of end-of-day price dislocation, counter to recent concerns expressed in the media. The effect of HFT is more pronounced on days when end of day price dislocation is more likely to be...

The well-documented abnormal long-run buy-and-hold returns to firms issuing equity in initial public offerings and seasoned equity offerings, firms bidding in mergers, and firms initiating dividends can be attributed to imperfect control-firm matching. In addition to firm size and market-to-book...