Shares of Inrad Optics, Inc. (OTCMKTS:INRD – Get Rating) rose 2.4% during mid-day trading on Friday . The stock traded as high as $1.72 and last traded at $1.72. Approximately 600 shares traded hands during trading, a decline of 82% from the average daily volume of 3,326 shares. The stock had previously closed at $1.68. […]