Positron Co. (OTCMKTS:POSC – Get Rating)’s stock price was up 6.9% during mid-day trading on Tuesday . The company traded as high as $1.44 and last traded at $1.40. Approximately 2,500 shares traded hands during trading, a decline of 76% from the average daily volume of 10,207 shares. The stock had previously closed at $1.31. […]