If short sellers can destroy firm value by manipulating prices down, an informed blockholder has a powerful natural incentive to protect the value of his stake by trading against them. However, he also has a potentially conflicting incentive to use his information to generate trading profits. We...

Based on M&As from over 45 countries from 2003-2014, we show that the presence of end-of-day (EOD) target price manipulation prior to M&As increases the probability of an M&A deal withdrawal, and decreases the premium paid. More detailed exchange trading rules that govern manipulation across...

In March of 2000 the New York Stock Exchange proposed a merger with The Nasdaq Stock Market. Applying a qualitative assessment to the proposed merger from the organizations' perspective it is argued that the merger would be favorable for both organizations. Applying a quantitative assessment to...

This paper employs a natural experiment research design to analyze the differences in the effects of the 2002 notice concerning private securities litigation issued by the Supreme People's Court on stock price performance in A/B-share markets. Using a sample of 162 twin A/B-shares issued by 81...

We study the economic consequences of a recent securities regulation that grants U.S. regulators broad new powers to revise or reject foreign acquisitions of firms deemed critical to U.S. national security. Our results document an important tradeoff between U.S. national security and shareholder...

We document pervasive informed trading activity in equity options before M&A announcements. About 25% of takeovers have positive abnormal volumes. These volume patterns indicate that informed traders are likely using bullish directional strategies for the target and volatility strategies for the...

Acquisition announcements generate predictable movements in the price of the acquirer's stock. For example, post-announcement returns are typically negative for high Tobin's q acquirers, stock transactions, and foreign targets, but positive for private equity-backed private targets....

Exploring staggered quasi-exogenous regulatory changes in China, we find that banking sector FDI significantly reduces the likelihood of stock price crashes of domestic listed firms. The effect is more pronounced among firms with ex-ante lower disclosure quality and worse performances, which...