Ge Long Hui A P P·2025-09-05 05:32Group 1 - The A-share market has seen a rise in companies related to lab-grown diamonds, with notable increases in stock prices for several firms [1] - Jing Sheng Machinery (晶盛机电) experienced a significant increase of 16.22%, bringing its total market capitalization to 45 billion [2] - Guo Ji Precision Engineering (国机精工) reached a 10% increase, with a market cap of 18.3 billion and a year-to-date increase of 146.73% [2] Group 2 - Other companies such as Hui Han Diamond (惠韩钻石) and Man Ka Long (曼卡龙) also saw gains, with increases of 3.50% and 2.77% respectively [2] - Li Liang Diamond (力量钻石) and Huang He Xuan Feng (黄河旋风) had smaller increases of 2.73% and 2.00%, with market caps of 7.74 billion and 6.61 billion respectively [2] - The MACD golden cross signal has formed, indicating a positive trend for these stocks [2]