Wed, Jun 05, 2013 12:00 - Gold and GemStone Mining Inc. (GGSM: OTCQB) - Tier Change - The symbol, GGSM, no longer is classified as OTC Pink Limited. As of Wed, Jun 05, 2013, GGSM resides in the OTCQB tier. You may find a complete list of tier changes at otcmarkets.com.
Gold and GemStone Mining (PK) (USOTC:GGSM)
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