http://www.cnbc.com/2016/02/05/chicago-stock-exchange-says-its-being-sold-to-china-led-group-report.html
Investor group to buy Chicago Stock Exchange
8 Hours AgoReuters
Chicago Stock Exchange said on Friday an investor group led by China's Chongqing Casin Enterprise Group has agreed to buy the company.
Terms of the deal, which was approved by the stock exchange's board, were not disclosed.