ThinkEquity Downgrades Aixtron (AIXG) to Hold Jul 16, 2012 07:51AM
ThinkEquity Upgrades Aixtron (AIXG) to Buy Nov 21, 2011 09:05AM
ThinkEquity Starts Semi Stocks: AXTI, GTAT at Buy, VECO, CREE, LEDS, AIXG at Hold, RBCN at Sell Sep 9, 2011 09:24AM