Pharma Mar, S.A. (OTCMKTS:PHMMF – Get Rating) shares dropped 10% during mid-day trading on Friday . The company traded as low as $56.96 and last traded at $56.96. Approximately 200 shares changed hands during mid-day trading, a decline of 49% from the average daily volume of 395 shares. The stock had previously closed at $63.29. ...