培育钻石概念股集体走强，黄河旋风涨停

Core Viewpoint - The A-share market has seen a significant rally in synthetic diamond concept stocks, indicating growing investor interest in this sector [1] Group 1: Stock Performance - Huanghe Xuanfeng and China Gold both reached the daily limit up, showcasing strong market confidence [1] - Sifangda increased by over 9%, while Huifeng Diamond rose by 7%, reflecting positive momentum in the sector [1] - Power Diamond and Guoji Jinggong both saw gains of over 4%, and Mankalon increased by nearly 4%, indicating widespread strength among synthetic diamond stocks [1]