American Soil Technologies, Inc. (SOYL: Grey Market) | Venue Change Fri, Dec 29, 2017 12:00 - American Soil Technologies, Inc. ( SOYL : Grey Market) - Venue Change - The symbol, SOYL, no longer trades on OTC Link. As of Fri, Dec 29, 2017, SOYL trades on Grey Market. You may find a complete list of venue changes at otcmarkets.com .
