人民财讯10月10日电，A股三大指数早盘低开低走，截至午间收盘，上证指数跌0.51%，深证成指跌 1.85%，创业板指跌3.4%。盘面上，供气供热板块走强，大众公用二连板。培育钻石、超硬材料概念活 跃，黄河旋风涨停。半导体板块调整，华虹公司跌超10%。锂电池概念走弱，宁德时代跌超6%。煤 炭、建材、纺织服饰、食品饮料等板块也涨幅居前，固态电池概念、CPO概念、有色金属等板块跌幅居 前。全市场超2300只个股下跌，成交金额超1.6万亿元。 转自：证券时报 ...

（文章来源：每日经济新闻） 每经AI快讯，10月10日，A股培育钻石概念股开盘大涨，四方达、黄河旋风竞价涨停，惠丰钻石涨超 20%，力量钻石涨超10%。 ...

中信证券研报称，10月9日商务部和海关总署对超硬材料相关物项实施出口管制，范围相比2024年8月扩 大，进一步凸显超硬材料的战略属性。尽管短期超硬材料企业可能出口受阻，但长期看本次出口管制会 加速国内超硬材料产业的整合，后市价格有望震荡上行，同时人造金刚石的功能性应用也有望持续催 化，看好超硬材料板块的交易性投资机会，建议关注龙头企业。 | 代码 | 名称 | 0 | 涨幅% ↓ | 总市值 | 年初至今涨幅% | | --- | --- | --- | --- | --- | --- | | 300179 | 四方达 | 1 | 16.92 | 60.11亿 | 12.27 | | 920725 | 惠韩钻石 | 兼 | 10.22 | 27.36亿 | -22.57 | | 600172 | 黄河旋风 | 1 | 9.98 | 82.64亿 | 37.74 | | 301071 | 力量钻石 | 兼 | 3.88 | 96.09亿 | 2.37 | | 000519 | 中兵红箭 | ﻨﺪ | 2.50 | 263亿 | 30.59 | | 002046 | 国机精工 | 1 | 2.00 | 145亿 ...

经济观察网 培育钻石概念股开盘大涨，四方达（300179）、黄河旋风（600172）竞价涨停，惠丰钻石 涨超20%，力量钻石（301071）涨超10%，消息上，商务部、海关总署9日联合发布4则公告，对超硬材 料、稀土设备和原辅料、钬等5种中重稀土、锂电池和人造石墨负极材料相关物项实施出口管制。 ...

Market Overview - Major market indices opened lower on September 24, with the oil and gas extraction and service sectors leading the gains, including stocks like Junyou Co., which hit the daily limit, and Tongyuan Petroleum and Keli Co. following suit [1] - Real estate stocks saw significant increases, with Shen Zhen Yi A, Shanghai Lingang, and Shibei Gaoxin also hitting the daily limit [1] - The film and cinema sector performed strongly, with Bona Film Group reaching the daily limit, alongside Huayi Brothers and Light Media [1] Industry Highlights - The cultivated diamond concept surged, with Huanghe Xuanfeng hitting the daily limit and Inno Laser and Power Diamond rising over 5% [2] - The storage chip sector saw notable gains, with Jiangfeng Electronics, Chengbang Co., and Tongfu Microelectronics all reaching the daily limit [3] New Stock Offering - Changjiang Energy Technology commenced subscription today with an issue price of 5.33 yuan. The company focuses on the design, research and development, manufacturing, and service of energy and chemical specialized equipment, including key products like electric desalination equipment, which is crucial for oil extraction and refining processes. The company has maintained the top market share in electric desalination equipment in China from 2021 to 2023 [4] Financing Activities - As of September 23, the total market financing balance was 2.40 trillion yuan, a decrease of 8.02 billion yuan from the previous trading day. A total of 478 stocks saw net financing purchases exceeding 10 million yuan, with 36 stocks having net purchases over 100 million yuan. Luxshare Precision topped the list with a net purchase of 1.352 billion yuan, followed by Shenghong Technology and Zhongji Xuchuang with 792 million yuan and 661 million yuan, respectively [5][7] Executive Shareholding - In the past 10 trading days (September 10 to September 23), there were 114 records of executive shareholding, involving 45 companies, with a total of 20.73 million shares and a total investment of 312 million yuan. The highest amount of executive shareholding was from Hand Information, with 5.0568 million shares and an investment of 91.2775 million yuan [8][9]

Group 1 - The price of natural diamonds remains strong, while the price of lab-grown diamonds has significantly decreased, making them popular among young consumers for self-consumption [1] - The price of a 1.5-carat natural diamond ring is approximately 110,000 yuan, while the wholesale price for a 1.5-carat lab-grown diamond ring is as low as 1,850 yuan, about one-sixtieth of the natural diamond price [1] - Lab-grown diamond prices have dropped over 90% since early 2022, with current prices being around half of natural diamond prices at that time [1] - China is the largest producer of lab-grown diamonds globally, accounting for nearly 50% of the world's production capacity [1] - The penetration rate of lab-grown diamonds is 57% in the U.S. and 10% in China, indicating significant growth potential in the Chinese market [1] Group 2 - Major lab-grown diamond concept stocks include Zhongbing Hongjian, Huanghe Xuanfeng, Liliang Diamond, Sifangda, and World, with World stock rising 104.47% year-to-date [2] - The overall price decline of lab-grown diamonds has led to a decrease in gross margins for many companies, with Liliang Diamond reporting a net profit of 25.91 million yuan, down 82.52% year-on-year [2] - Huanghe Xuanfeng reported a net loss of 299 million yuan, highlighting the financial challenges faced by companies in the sector [2] - Lab-grown diamonds are attractive to young consumers due to their environmental and cost advantages, and the market is expected to grow significantly, potentially exceeding 100 billion yuan by 2030 [2]

培育钻石概念午后异动拉升，截至发稿，沃尔德涨超16%，黄河旋风、惠丰钻石、国机精工等跟涨。 ...

Group 1 - The cultivated diamond concept rose by 2.73%, ranking fourth among concept sectors, with 14 stocks increasing in value, including Wald, Power Diamond, and Yellow River Wind, which rose by 15.36%, 8.20%, and 6.41% respectively [1][2] - The main funds net inflow into the cultivated diamond sector was 166 million yuan, with 10 stocks receiving net inflows, and 5 stocks seeing inflows exceeding 30 million yuan, led by Yellow River Wind with a net inflow of 160 million yuan [2][3] - The top net inflow ratios were for Yellow River Wind, Boyun New Materials, and Sifangda, with net inflow rates of 14.83%, 9.85%, and 6.55% respectively [3][4] Group 2 - The cultivated diamond sector's performance was highlighted by significant stock movements, with notable increases in stocks like Wald and Power Diamond, while Hengsheng Energy, Jing Sheng Electric, and Guoli Electronics experienced declines [1][4] - The trading volume and turnover rates for stocks in the cultivated diamond sector varied, with Yellow River Wind showing a turnover rate of 16.72% and a significant net inflow of 159.78 million yuan [3][4] - The overall market sentiment for the cultivated diamond sector appears positive, as indicated by the net inflow of funds and the performance of key stocks within the sector [2][3]

Group 1 - The A-share market has seen a rise in concept stocks related to cultivated diamonds, with notable increases in share prices for several companies [1] - Jing Sheng Mechanical & Electrical has surged over 16%, while Guoji Precision Engineering hit the daily limit with a 10% increase [1] - Other companies such as Huifeng Diamond, Mankalon, Power Diamond, and Huanghe Xunfeng also experienced gains [1] Group 2 - Detailed stock performance shows Jing Sheng Mechanical & Electrical with a 16.22% increase and a total market value of 45 billion [2] - Guoji Precision Engineering has a 10% increase and a market value of 18.3 billion, with a year-to-date increase of 146.73% [2] - Other companies like Huifeng Diamond and Mankalon have shown mixed performance, with Huifeng down 23.52% year-to-date [2]

Group 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]