 In order to study the strength of interaction and connection of ?nancial asset returns we propose a modi?ed minimum spanning tree network whose metric distance is de?ned from absolute cross-correlation coe?cients.
<meaning-changed>  In order to study the strength of interaction and connection of ?nancial asset returns we propose a modi?ed minimum spanning tree network whose metric distance is de?ned from absolute cross-correlation coe?cients.
 In order to study the strength of interaction and connection of ?nancial asset returns we propose a modified MST network whose metric distance is de?ned from absolute cross-correlation coe?cients.