| | 材 | | | | | | | --- | --- | --- | --- | --- | --- | --- | | 300478 | 杭州高 新 | 6.50 | 6.84 | 28.65 | 29.80 | 4.03 | | 001226 | 拓山重 工 | 6.24 | 9.61 | 40.00 | 41.57 | 3.93 | （文章来源：证券时报网） 12月3日突破五日均线个股乖离率排名 | 证券代 | 证券简 | 今日涨跌幅 | 今日换手率 | 五日均线 | 最新价 | 乖离率 | | --- | --- | --- | --- | --- | --- | --- | | 码 | 称 | （%） | （%） | （元） | （元） | （%） | | 300179 | 四方达 | 15.89 | 26.01 | 15.90 | 17.87 | 12.40 | | 300996 | 普联软 件 | 12.16 | 22.21 | 18.45 | 20.11 | 8.97 | | 603017 | 中衡设 计 | 9.98 | 8.76 | 11.00 | 11.90 | 8.14 | | ...

Group 1: Superhard Materials Sector - The superhard materials sector experienced a significant surge, with the sector index rising over 6% during trading. Notable stocks included Sifangda, which rose by 19.84%, and Huanghe Xuanfeng, which hit the daily limit [2][3] - Superhard materials, including synthetic diamonds and cubic boron nitride, are critical for high-end manufacturing and advanced technologies in China. They are considered strategic materials essential for national technological progress and industrial security [2] - The market potential for synthetic diamonds is expected to grow significantly, with projections indicating a billion-level growth space by 2025, driven by applications in cutting-edge fields such as nuclear fusion and 6G cooling technologies [2] Group 2: Copper Cable High-Speed Connection Sector - The copper cable high-speed connection sector also saw substantial movement, with Xinke Materials hitting the daily limit and Zhaolong Interconnect rising over 14% [4] - Credo, a leading company in the active copper cable (AEC) sector, reported earnings that exceeded market expectations, with a revenue increase of 272% year-over-year for Q2 of FY2026, reaching $268 million [4][5] - The demand for high-speed data storage in AI systems is increasing, with projections indicating a 45% compound annual growth rate for global AEC sales from 2024 to 2028, highlighting the sector's growth potential [5]

Core Viewpoint - The A-share market shows a slight decline with the Shanghai Composite Index closing at 3894.22 points, just above the five-day moving average, indicating a mixed market sentiment [1] Group 1: Market Performance - The total trading volume of A-shares reached 10,755.55 billion yuan today [1] - The Shanghai Composite Index experienced a change of -0.09% [1] Group 2: Stocks Breaking the Five-Day Moving Average - A total of 281 A-shares have surpassed the five-day moving average today [1] - Notable stocks with significant deviation rates include: - Sifangda (300179) with a deviation rate of 11.67% and a daily increase of 14.92% [1] - Pulian Software (300996) with a deviation rate of 9.95% and a daily increase of 13.44% [1] - Zhongheng Design (603017) with a deviation rate of 8.14% and a daily increase of 9.98% [1] Group 3: Stocks with Smaller Deviation Rates - Stocks with smaller deviation rates that have just crossed the five-day moving average include: - Haotong Technology and Weisi Medical, which have just reached the five-day moving average [1]

Core Viewpoint - The recent export control on artificial diamond powder by China is a strategic move aimed at countering U.S. dominance in the semiconductor industry, highlighting the increasing tensions in U.S.-China relations [2][4][24]. Group 1: Export Control Announcement - China's Ministry of Commerce and General Administration of Customs announced that artificial diamond powder with an average particle size of ≤50 microns will be subject to export controls, effective November 8 [2][24]. - This regulation directly targets the U.S. semiconductor industry, which relies heavily on Chinese diamond materials, with over 70% of chip-grade diamond raw materials imported from China [4][24]. Group 2: Importance of Diamond in Technology - Diamonds, known for their exceptional hardness and thermal conductivity, are critical in various high-tech applications, including semiconductor manufacturing and precision processing [6][9]. - The thermal conductivity of diamond is reported to be 2000 W/(m·K), significantly higher than that of copper and silicon, making it essential for advanced chip cooling solutions [8][9]. Group 3: China's Dominance in Diamond Production - China has emerged as the global leader in the diamond industry, with a production capacity that far exceeds that of developed countries, capturing 80% of the global diamond powder market [13][20]. - The city of Zhecheng in Henan Province has developed a complete industrial chain for diamond production, producing 10 million carats of cultivated diamonds annually [20][22]. Group 4: Strategic Implications of Export Controls - The export control on diamond powder is part of a broader strategy by China to leverage its material advantages in high-tech industries, similar to previous controls on rare earth elements [24][26]. - The regulation allows for civilian use while restricting military and semiconductor applications, effectively maintaining a balance between global supply and national security [24][26].

| 000519.SZ | INTIV | VIIm I I V | VIVVIV | | --- | --- | --- | --- | | 三超新材 300554.SZ | 23.71 | 0.17% | 0.21% | 编辑｜钉钉 | G | 超硬材料指数(8841243) | | | Q | | --- | --- | --- | --- | --- | | | 2821.80 135.01 +5.02% | | | | | 水泥 | 成分 资讯 相关基金 | | | 月度收益 | | 名称 | | 现价 | 涨跌幅 ◆ | 别 三 | | 四方达 | | 17.86 | 15.82% | 1.42% | | 300179.SZ | | | | | | 惠丰钻石 | | 37.38 | 12.18% | 0.48% | | 920725.BJ | | | | | | 黄河旋风 | | 6.77 | 10.08% | 0.00% | | 600172.SH | | | | | | 力量钻石 | | 40.40 | 8.02% | 1.00% | | 301071.SZ | | | | | | 沃尔德 | ...

12月3日，超硬材料概念股爆发，截至发稿，四方达涨超15%，惠丰钻石涨逾12%，黄河旋风涨停， 力量钻石涨逾8%，沃尔德、国机精工、博云新材纷纷上扬。 编辑 ｜ 钉钉 | ( D | | 超硬材料指数(8841243) | | | | --- | --- | --- | --- | --- | | | | 2821.80 135.01 +5.02% | | | | 资料 | 成分 | 资讯 | 相关基金 | 月度收益 | | 名称 | | 现价 | 涨跌幅 ◆ | 】 三 | | 四方达 | | 17.86 | 15.82% | 1.42% | | 300179.SZ | | | | | | 惠丰钻石 | | 37.38 | 12.18% | 0.48% | | 920725.BJ | | | | | | 黄河旋风 | | 6.77 | 10.08% | 0.00% | | 600172.SH | | | | | | 力量钻石 | | 40.40 | 8.02% | 1.00% | | 301071.SZ | | | | | | 沃尔德 | | 68.00 | 5.59% | 0.35% | | 688028 ...

（文章来源：每日经济新闻） 每经AI快讯，12月3日，培育钻石指数上涨2%，成分股多数上涨。其中，四方达领涨，黄河旋风、沃尔 德、力量钻石、惠丰钻石等跟涨。 ...

Group 1 - The A-share market for cultivated diamond stocks experienced a general increase, with notable gains in several companies [1] - Sifangda saw a rise of 6.03%, with a total market capitalization of 7.942 billion and a year-to-date increase of 48.39% [2] - World Diamond increased by 5.09%, with a market cap of 10.2 billion and a year-to-date increase of 209.81% [2] - Huifeng Diamond rose by 5.01%, with a market cap of 3.194 billion and a year-to-date decrease of 9.60% [2] - Huanghe Xuanfeng increased by 3.74%, with a market cap of 9.201 billion and a year-to-date increase of 53.37% [2] - Hengsheng Energy rose by 3.39%, with a market cap of 12.1 billion and a year-to-date increase of 300.04% [2] - *ST Yazhen increased by 3.24%, with a market cap of 11 billion and a year-to-date increase of 585.64% [2] - Power Diamond saw an increase of 2.41%, with a market cap of 9.968 billion and a year-to-date increase of 6.19% [2] - The formation of a MACD golden cross signal indicates a positive trend for these stocks [1]

证券之星消息，12月2日非金属材料板块较上一交易日下跌0.46%，宁新新材领跌。当日上证指数报收于 3897.71，下跌0.42%。深证成指报收于13056.7，下跌0.68%。非金属材料板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 605086 | 龙高股份 | 40.35 | 9.35% | 10.24万 | | 3.96亿 | | 001296 | 长江材料 | 27.05 | 1.16% | 15.04万 | | 4.02亿 | | 603826 | 坤彩科技 | 17.70 | -0.34% | 2.66万 | | 4715.42万 | | 920971 | 天马新材 | 30.96 | -0.35% | 1.99万 | 6178.95万 | | | 688300 | 联瑞新材 | 56.21 | -1.09% | 1.55万 | 8748.54万 | | | 920832 | 齐鲁华信 | 7.46 | -1.32% | 1.11万 | 828 ...

Market Performance - The non-metal materials sector increased by 2.31% compared to the previous trading day, with Longgao Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up 0.34%, while the Shenzhen Component Index closed at 12984.08, up 0.85% [1] Stock Performance - Longgao Co., Ltd. (code: 605086) closed at 33.99, with a rise of 10.00% and a trading volume of 100,300 shares, resulting in a transaction value of 336 million yuan [1] - Kuncai Technology (code: 603826) closed at 17.84, up 3.66%, with a trading volume of 58,700 shares and a transaction value of 10.4 million yuan [1] - Lichong Diamond (code: 301071) closed at 37.68, up 2.25%, with a trading volume of 77,600 shares and a transaction value of 291 million yuan [1] Capital Flow - The non-metal materials sector saw a net inflow of 91.07 million yuan from institutional investors, while retail investors experienced a net outflow of 33.12 million yuan [2][3] - Longgao Co., Ltd. had a net inflow of 75.38 million yuan from institutional investors, accounting for 22.45% of its total trading volume [3] - Kuncai Technology experienced a net inflow of 7.20 million yuan from institutional investors, representing 6.94% of its total trading volume [3]