培育钻石板块走高，黄河旋风涨停

Group 1 - The cultivated diamond sector is experiencing significant growth, with companies like Huanghe Xuanfeng reaching the daily limit increase in stock price [1] - Sifangda has seen its stock price rise by over 10%, indicating strong market interest and investor confidence in the cultivated diamond industry [1] - Other companies such as Huifeng Diamond, World, Inno Laser, Power Diamond, and Guoli Electronics are also witnessing stock price increases, reflecting a broader positive trend in the sector [1]