培育钻石指数盘初下跌2%，成分股多数走低

Group 1 - The cultivated diamond index experienced a decline of 2% at the beginning of trading on February 13 [1] - Most constituent stocks in the cultivated diamond sector saw a decrease, with companies such as Wald, Sifangda, Power Diamond, and Huanghe Xuanfeng dropping over 2% [1]