This study examines stock price volatility effects of the insiders trading in Istanbul Stock Exchange. Our results indicate that insider trading significantly affects stock price volatility during and after the trade. Sub-sample analyses show that sell positions, the trades of the traders more...

This study systematically examines the ability of aggregate insider trading to predict future market returns in the Chinese A-share market. After controlling for the contrarian investment strategy, aggregate executive (large shareholder) trading conducted over the past six months can predict 66%...

I find evidence of valuable private information in the Chinese stock market. First, Chinese actively managed stock mutual funds outperform passive benchmarks including market, size, value, and momentum factors. Most funds appear to have skill, and much of that skill consists of stock-picking...