(Sharecast News) - The Competition and Markets Authority has cleared the CME Group's acquisition of NEX Group.NEX Group said on Wednesday that all the conditions relating to regulatory and antitrust approvals have now been satisfied or waived.Futures exchange CME Group agreed back in March to buy NEX Group for £3.9bn following several weeks of talks.At 0826 GMT, NEX shares were up 2.8% to 1,128.