Using a novel typology of serial acquirers, we examine several puzzles documented in the prior literature. We show that acquisitions by different types of acquirers are driven by different factors, they acquire different sizes of targets, and subsequent acquisitions by acquirers are predictable ex ante. Controlling for market anticipation, the most frequent serial acquirers do not earn declining returns as they continue acquiring, while less frequent acquirers do. Our methodology enhances our understanding of serial acquisition dynamics, anticipation, and economic value adjustments. The methodology is likely to be relevant to topics related to event anticipation beyond those covered in this study.

Speculative language in corporate disclosures can convey valuable information about firms’ fundamentals. We evaluate this idea by developing a measure for speculative statements based on sentences marked with the “weasel tag” on Wikipedia. In the 16-week test period after filing, greater use of speculative statements in 10-Ks predicts higher and nonreverting abnormal returns, more insider and informed buying, and higher news sentiment. These findings imply that managers’ usage of speculative language in 10-Ks reflects voluntary disclosure of their private information about the positive prospects of events when market implications of the events are uncertain and thus have room for (re)interpretation.

We examine expectation documents’ effectiveness as an activism tool. We use the Norwegian sovereign wealth fund’s release of a corporate governance expectation document as a natural experiment. We introduce a novel, three-way analytical decomposition of the firms, the fund, and their joint response to this document. Firms’ governance practices adapt to the fund’s new portfolio-wide governance preferences, with heterogeneous responses across ownership and firm characteristics. The fund’s investment policies also change, even at the expense of financial returns. Overall, our research demonstrates the potential effectiveness of expectation documents as an emerging, low-cost activism tool for universal investors.