	mco mco maxxam mxm holders approve merger mco holdings inc said its shareholders and those of maxxam group inc have approved the proposed merger of the two companies mco said one maxxam shareholder has filed an objection to the proposed settlement of shareholder actions related to the merger in the delaware court of chancery a hearing on the settlement proposal is scheduled for march the merger is subject to court approval of the settlement as well as to other conditions reuter 
