Petrosonic Energy, Inc. (PSON: OTC Link) | Tier Ch
Post# of 617763
Posted On: 05/04/2013 2:30:08 AM
Petrosonic Energy, Inc. (PSON: OTC Link) | Tier Change Sat, May 04, 2013 12:00 - Petrosonic Energy, Inc. ( PSON : OTC Link) - Tier Change - The symbol, PSON, no longer is classified as OTC Pink Limited. As of Sat, May 04, 2013, PSON resides in the OTCQB tier. You may find a complete list of tier changes at otcmarkets.com .
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