Shares of Petrosonic Energy Inc. (PINK: PSON), a company focusing on the de-asphalting and separation of asphalt from heavy crude, oil sands, and waste oils, are rallying in trading today. At last check, PSON shares were trading 13.39% higher at $1.27 on above average volume of 2.09 million. The stock hit an intra-day high of $1.32 earlier today. PSON shares have gained 40% in the last three trading sessions.