Beacon Roofing Supply (BECN) shares ended the last trading session 7.7% higher at 117.18.Thejumpcameonanimpressivevolumewithahigher−than−averagenumberofshareschanginghandsinthesession.Thiscomparestothestock′s3.411 billion takeover bid from QXO, stating that the offer "significantly undervalues" the roofing materials supplier. Earlier that day, QXO's CEO ...