培育钻石板块震荡走高，黄河旋风涨停

Group 1 - The cultivated diamond sector is experiencing significant upward movement, with companies like Sifangda reaching new highs and Huanghe Xuanfeng hitting the daily limit increase [1] - Other companies such as Liliang Diamond, World, Huifeng Diamond, Boyun New Materials, and Inno Laser are also seeing gains in their stock prices [1] - Huifeng Diamond announced a structural price increase of 5%-15% for its related products, effective from March 1, 2026, in response to the rising prices of core raw materials [1]