American Nano Silicon Technology, Inc. (ANNO: Grey Market) | Tier Change Sat, Dec 30, 2017 12:00 - American Nano Silicon Technology, Inc. ( ANNO : Grey Market) - Tier Change - The symbol, ANNO, no longer is classified as OTC Pink No Information. As of Sat, Dec 30, 2017, ANNO resides in the Grey Market tier. You may find a complete list of tier changes at otcmarkets.com .
