We document empirical evidence that the investment patterns of the two most relevant investor groups from regions with hierarchical structures in the German stock market, namely China (including Hong Kong) and the Gulf Cooperation Council, differ substantially. Chinese investors buy large shares...

Share repurchase conveys information to investors and influences stock price in capital market. Normally when a company announces share buyback, the company's stock price will rise immediately. Thus, some insiders may take advantage of this pattern and create a fake repurchase event. When the...