4. E-House China

E-House China, the country's real estate service provider, received a buyout bid on June 9 from its top executives, who own a combined 26 percent stake, announced the New York-listed company.

The stock declined 3 percent from the beginning of this year, compared to a 60 percent gain in China's benchmark Shanghai Composite Index.

Zhou Xin, CEO and co-chairman of E-House China, attends a ceremony celebrating the company's six-year listing anniversary in Shanghai, on Aug 15, 2013. [Photo/IC]