Where Is Petrosonic Energy Inc (PINK:PSON) Headed? By: SBWire - Latest Press Releases April 17, 2013 at 15:55 PM EDT Las Vegas, NV -- (SBWIRE) -- 04/17/2013 -- Petrosonic Energy Inc (PINK:PSON) fell 1.01% to $0.98 per share. Read More >> Related Stocks: Petrosonic Energy