The ticker and trading information for Blackstone Group is displayed at the post where it is traded on the floor of the New York Stock Exchange (NYSE) Private equity firm Blackstone has agreed to buy the employee benefits outsourcing business of insurer Aon in a deal worth as much as $ 4.8bn . London - based Aon has to rid itself of the business to raise capital in order to buy back shares . The sale means Blackstone takes on the benefits rights of 15 % of American workers and Aon has room to develop in growth areas such as cyber security and health coverage .
Private equity firm Blackstone has agreed to buy the employee benefits outsourcing business of insurer Aon in a deal worth as much as $ 4.8bn . London - based Aon has to rid itself of the business to raise capital in order to buy back shares . The sale means Blackstone takes on the benefits rights of 15 % of American workers and Aon has room to develop in growth areas such as cyber security and health coverage .