Gold stocks continue to populate an elite list from Investor's Business Daily in significant numbers. The IBD 50 growth list holds no less than six gold plays: Agnico Eagle Mines (AEM), Triple Flag Precious Metals (TFPM), AngloGold Ashanti (AU), Kinross Gold (KGC), Eldorado Gold (EGO) and Harmony Gold (HMY). Most of these stocks are extended but their rally shows no…