Category: Business

News Buzz: Psychemedics Corporation (NASDAQ:PMD), Cambium Learning Group, Inc. (NASDAQ:ABCD), Hilton Worldwide Holdings Inc. (NYSE:HLT), Natus Medical Incorporated (NASDAQ:BABY)

Holzer & Holzer, LLC is investigating whether certain statements issued by Psychemedics Corporation (NASDAQ:PMD) complied with federal securities laws. On January 31, 2017, it was reported that Psychemedics Brasil Exames Toxicologicos Ltda. and Laboratorios Omega Brasil Ltda. were ordered to…