Petrosonic Energy, Inc. (PSON: OTC Pink Current) |
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Posted On: 01/14/2017 2:45:05 AM
Petrosonic Energy, Inc. (PSON: OTC Pink Current) | Tier Change Sat, Jan 14, 2017 12:00 - Petrosonic Energy, Inc. ( PSON : OTC Pink Current) - Tier Change - The symbol, PSON, no longer is classified as OTC Pink Limited. As of Sat, Jan 14, 2017, PSON resides in the OTC Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .
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