培育钻石大爆发！黄河旋风涨停，四方达涨超15%领涨

Core Viewpoint - The market experienced a downturn on December 3, with the ChiNext index seeing significant drops, while the cultivated diamond sector surged, indicating a shift in investor interest towards this emerging industry [1] Industry Developments - The 2025 Cultivated Diamond Industry Conference will be held in Zhengzhou from December 5 to 6, featuring the unveiling of the "Henan Province Cultivated Diamond Promotion Center" aimed at creating an integrated service ecosystem covering inspection, trading, design, and brand incubation [1] - Approximately 30 key projects in the industry chain are expected to be signed at the conference, with a total investment of no less than 15 billion yuan, focusing on strengthening and extending the industry chain [1] - The conference will also release the "2025 Cultivated Diamond Industry Development Report," which will analyze global industry chains, market supply and demand, and consumption trends, providing crucial insights for industry decision-making and development [1] Market Trends - According to Zhongyuan Securities, traditional demand in the sector is contracting, while functional diamonds are gaining traction, indicating a shift in market dynamics [1] - The demand for traditional superhard products is under pressure, leading the industry into a downward cycle; however, continuous technological breakthroughs in functional diamonds are opening new growth opportunities [1] - Diamond/copper composite materials, particularly for high-end chip cooling applications, are identified as a key development direction and potential growth point for the industry in the short term [1]