A growing literature is using stock return synchronicity, or the R2 from a market model regression,as an inverse measure of the extent to which firm-specific information is reflected in stock prices. Inthis paper, we argue that the relationship between R2 and the informativeness of stock prices...

We find that the decision by a potential acquirer to complete or cancel an announced acquisitionproposal is sensitive to new information generated after the announcement of the acquisition.Both the acquirer and target’s cumulative abnormal returns (CAR) over different windows afterthe...