Xin Lang Cai Jing·2025-12-04 11:42Core Viewpoint - The cultivated diamond sector experienced a decline of 2.18% as of the market close on December 4, ranking among the top losers in the concept sector [1][3]. Market Performance - The cultivated diamond concept saw significant outflows of main funds, totaling 510 million yuan, with 14 stocks experiencing net outflows [2][4]. - The stocks with the largest net outflows included Sifangda, with a net outflow of 172 million yuan, followed by Guojijinggong and Huanghe Xuanfeng, with net outflows of 141 million yuan and 122 million yuan, respectively [2][4]. Stock Movements - Among the cultivated diamond stocks, Sifangda, Guojijinggong, and Liliang Diamond had notable declines, with Sifangda dropping by 6.46% [2][4]. - Conversely, stocks such as Boyun New Material, Henglin Co., and World saw increases, with Boyun New Material rising by 2.56% [1][5].