Social connections and information leakage: Evidence from target stock price run‐up in takeovers

Iftekhar Hasan, Lin Tong and An Yan

Journal of Financial Research, 2025, vol. 48, issue 2, 645-672

Abstract: Does information leakage in a target's social networks increase its stock price prior to a merger announcement? Evidence reveals that a target with more social connections indeed experiences a higher pre‐announcement price run‐up. This effect does not exist during or after the merger announcement, or in windows ending two months before the announcement. It is more pronounced among targets with severe asymmetric information, and weaker when the information about the upcoming merger is publicly available prior to the announcement. It is also weaker in expedited deals such as tender offers.

Date: 2025
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https://doi.org/10.1111/jfir.12420

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