agilent technologies inc a shares rose about 1 in afterhours trading monday after the company announced plans for a 2 billion sharerepurchase plan the stockbuyback plan launches march 1 replacing a repurchase program that did not have a set target agilent has repurchased 114 billion in shares in the past four full quarters reported according to factset records agilent stock increased more than 1 in the extended session after closing with a 01 decline at 14747