** Shares of hearing aid maker EAR.O drop 39% to $13.48 in
extended trading
** Co says was informed on Tuesday it is target of criminal
investigation by the Department of Justice
** Says investigation related to insurance reimbursement
claims EAR submitted on behalf of customers covered by federal
employee health plans
** Co also withdraws financial guidance for the fiscal year
ending December 31
** YTD, stock has plummeted nearly 52%
(Reporting by Niket Nishant in Bengaluru)
((Niket.Nishant@thomsonreuters.com;))