培育钻石板块盘初上扬，四方达涨近9%

Group 1 - The cultivated diamond sector experienced an initial rise on February 9, with significant gains in several companies [1] - Sifangda saw an increase of nearly 9%, while Huanghe Xuanfeng and Power Diamond both rose over 5% [1] - Jing Sheng Mechanical and Chao Hong Ji also showed positive movement, with increases exceeding 4% [1]