Strong Solutions Inc (SGOU: Pink Current) | Tier Change Sat, Aug 22, 2020 12:00 - Strong Solutions Inc ( SGOU : Pink Current) - Tier Change - The symbol, SGOU, no longer is classified as Pink Limited. As of Sat, Aug 22, 2020, SGOU resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .