培育钻石板块走弱，黄河旋风触及跌停

Group 1 - The cultivated diamond sector is experiencing a downturn, with Huanghe Xuanfeng hitting the daily limit down [1] - Companies such as Mankalon, Power Diamond, Huifeng Diamond, Jingsheng Mechanical Electric, Sifangda, and Chuanjiang New Materials are also seeing declines [1]