We examine the impact of stock exchange trading rules and surveillance on the frequency and severity of suspected insider trading cases in 22 stock exchanges around the world over the period January 2003 through June 2011. Using new indices for market manipulation, insider trading, and...

Analysed in this study are the returns on stock prices of target companies surrounding the first publicised dates of completed takeovers in the UK between 2001 and 2010. Two samples are created of 209 and 197 firms for announcement and rumoured dates respectively. Both demonstrate statistically...

On 19th March 2009, several national newspapers in Austria reported on a “turbo scandal” that had been suspected on the Vienna Stock Exchange for several years. Concerned investors argued that the issuers of turbo certificates tried to raid the underlying prices of these down-and-out call...

We examine the impact of stock exchange trading rules and surveillance on the frequency and severity of suspected insider trading cases in 22 stock exchanges around the world over the period January 2003 through June 2011. Using new indices for market manipulation, insider trading, and...

We provide evidence that some profitable insider stock selling is motivated by public information. At firms that disclose having concentrated sales relationships, insiders appear to sell their own stock profitably based on public information about their principal customers. Supplier insiders...

This paper is the introductory chapter to Insider Trading (Oxford University Press 3d ed. 2010). This treatise analyzes the application of various laws to stock market insider trading and tipping. Among the federal laws are Exchange Act section 10(b), SEC Rule 10b-5, mail/wire fraud, SEC Rule...

In this paper, we examine stock exchange trading rules for market manipulation, insider trading, and broker-agency conflict, across countries and over time, in 42 stock exchanges around the world. Some stock exchanges have extremely detailed rules that explicitly prohibit specific manipulative...

The development of the Brazilian stock market has raised concerns about the practice of insider information, with several cases being documented in recent years. We hypothesize that insider trading is a form of corruption. As such, the higher the corruption level in a country, the more intense...

We examine the private information associated with insider trades using a Chinese data set. Insider buys positively forecast individual stock returns and insider sales negatively forecast individual stock returns. Classifying insiders as corporate managers and institutional investors, we find...

Using a corporate lobbying event that led to the unexpected reversal of a tough insider trading blackout regulation in Hong Kong, we examine whether tightening the restrictions of insider trading in family firms-dominated financial markets affects shareholder value. We find that firms more...