培育钻石板块震荡走强

Group 1 - Guojijinggong reached the daily limit increase, indicating strong market interest [1] - Jingsheng Jidian surged over 15%, reflecting positive investor sentiment [1] - Guoli Co. increased by over 5%, showing a favorable trend in stock performance [1] Group 2 - Huifeng Diamond, Mankalon, and Power Diamond also experienced upward movement, suggesting a broader rally in the sector [1]