Sol Global Invts Corp. (SOLCF: Pink Current) | Tier Change Sat, May 11, 2019 12:00 - Sol Global Invts Corp. ( SOLCF : Pink Current) - Tier Change - The symbol, SOLCF, no longer is classified as Pink No Information. As of Sat, May 11, 2019, SOLCF resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .