Unlock stock picks and a broker-level newsfeed that powers Wall Street. Upgrade Now Athens - Delayed Quote • EUR Galaxy Cosmos Mezz Plc (GCMEZZ.AT) Follow Compare 0.5290 +0.0220 +(4.34%) At close: April 8 at 5:13:41 PM GMT+3 Sustainability data is currently not available for GCMEZZ.AT.