Perfect World going private & investigation into the fairness of the sale.

JudgeUK

The information is on various websites.

Link to one: 

http://www.prnewswire.com/news-releases/perfect-world-enters-into-definitive-agreement-for-going-private-transaction-300072177.html

There is also a news article of an investigation on behalf of the shareholders:

http://www.stockhouse.com/news/press-releases/2015/04/27/shareholder-alert-levi-korsinsky-llp-notifies-shareholders-of-perfect-world-co