培育钻石概念股盘初走强，黄河旋风触及涨停

Group 1 - Cultivated diamond concept stocks showed strong performance at the beginning of trading on September 12, with Huanghe Xuanfeng hitting the daily limit up [1] - World rose over 15%, indicating significant investor interest in the cultivated diamond sector [1] - Other companies such as Power Diamond, Huifeng Diamond, and Sifangda also experienced gains, reflecting a broader positive trend in the industry [1]