We evaluate the over-valuation hypothesis and merger arbitrage price pressure hypothesis as potential explanations for the observed negative returns to stock acquirers around merger announcement. Using daily shorting flow data, we show that the majority of the negative announcement returns can...

Using unique, hand-gathered data, this paper examines how public news about the target firmreleased publicly during the private merger negotiation process affects bidding strategies. Weprovide strong evidence that market reactions to information events during the private sale processhave a...