Thu, Jul 04, 2013 12:00 - Entest BioMedical Inc. (ENTB: OTCQB) - Tier Change - The symbol, ENTB, no longer is classified as OTC Pink Limited. As of Thu, Jul 04, 2013, ENTB resides in the OTCQB tier. You may find a complete list of tier changes at otcmarkets.com.