In a comprehensive sample of mergers and acquisitions, we find a reference price effect: Acquirers earn higher (lower) announcement-period returns when their pre-announcement stock prices are well below (near) their 52-week highs. This reference price effect is stronger in acquisitions of...

We hypothesize there is an increased noise demand for stocks of acquirers in response to acquisition announcements and that the demand is greater for acquirers with higher uncertainty in their equity valuation. Using idiosyncratic volatility to measure uncertainty, we find support for limits of...