SHAREHOLDER ALERT: Brodsky & Smith, LLC Announces Investigation of The Board of Directors of Lexmark International, Inc. -LXK Apr 20, 2016, 21:35 ET from Brodsky & Smith, LLC BALA CYNWYD, Pa., April 20, 2016 /PRNewswire/ — Law office of Brodsky & Smith, LLC announces that it is investigating potential claims against the Board of Directors of Lexmark International, Inc. (“Lexmark” or “the…