Market Performance - The market experienced a strong surge, with all three major indices closing higher at midday: Shanghai Composite Index up 1.2%, Shenzhen Component Index up 1.97%, and ChiNext Index up 2.92% [1] - Over 4,600 stocks rose across the two markets, with a total trading volume of 1.15 trillion yuan [1] Industry Highlights - The cultivated diamond sector continued its strong performance, rising by 5.23% at midday, with stocks like Inno Laser, Sifangda, Huifeng Diamond, Huanghe Xunfeng, and Hengsheng Energy hitting the daily limit [3] - The deep earth technology sector remained robust, with ShenKai Co. and Petrochemical Machinery both achieving two consecutive trading limits, and several other stocks also hitting the daily limit [3] - The computing hardware sector maintained its strength, with active performance in the Apple supply chain and a significant rise in storage chip concepts [3] Sector Adjustments - The coal industry faced a decline, dropping 1.24% at midday, with notable declines in stocks such as Antai Group down 6.42% and Baotailong down 5.91% [3] - The aviation, airport, and gas sectors followed suit with slight declines, while the banking and liquor sectors showed relative weakness but with minimal overall declines [3] News Developments - At the 15th China Henan International Investment and Trade Fair, Power Diamond announced the successful cultivation of a 156.47-carat artificial diamond rough [3] - Recent outbreaks of avian influenza have been reported in multiple regions of Germany, with numerous migratory birds found dead [3] - Chery has achieved a technological breakthrough in the solid-state battery full industry chain and showcased the Rhino S solid-state battery module [3]

Core Viewpoint - The A-share market experienced a collective decline, with major indices opening lower, indicating a bearish sentiment in the market [1] Market Performance - The Shanghai Composite Index fell by 0.52% - The Shenzhen Component Index decreased by 0.7% - The ChiNext Index dropped by 0.73% [1] Sector Performance - Sectors that saw gains included oil and gas extraction, natural gas, energy equipment, and engineering machinery - Sectors that faced declines included gold and jewelry, cultivated diamonds, semiconductors, and non-ferrous metals [1] Notable Stock Movements - Gold stocks opened significantly lower, with specific companies such as: - Xiaocheng Technology (300139) down over 9% - Hunan Silver (002716) down over 9% - Zhaojin Gold (000506) down over 9% - Shengda Resources (000603) down over 9% [1]

Core Viewpoint - A 156.47-carat diamond, the largest lab-grown diamond in the world, has been successfully cultivated in Henan, China, marking a significant milestone in the diamond industry and indicating the onset of a new era for diamond applications [1] Group 1: Diamond Industry - The diamond, cultivated by Power Diamond using high-pressure high-temperature methods, has been certified by the International Gemological Institute (IGI) as the largest known single crystal lab-grown diamond, surpassing the previous record of 150.42 carats set by Meylor Global in 2022 [1] - This technological breakthrough is expected to enhance the quality and application range of lab-grown diamonds, thereby driving the growth of the entire lab-grown diamond industry [1] Group 2: Semiconductor Applications - The increasing integration of chips due to advancements in 5G, 6G, AI, and quantum computing has led to higher thermal density, making heat dissipation a critical issue for chip performance [1] - Diamonds possess thermal conductivity five times that of copper and over ten times that of silicon, positioning them as the ideal material for heat dissipation in semiconductor applications [1] Group 3: Capital Market Impact - The breakthrough in diamond cultivation technology is anticipated to benefit not only the semiconductor materials sector but also the high-end manufacturing equipment sector, as the advancement in lab-grown diamond technology requires precision manufacturing equipment [1] - Related companies in both the lab-grown diamond industry and high-end manufacturing equipment sectors are expected to experience growth opportunities due to market expansion driven by technological progress [1]

Market Overview - The market shows a clear upward trend with 4,624 stocks rising, indicating a significant overall profit effect [4] - The trading volume has increased by 7.8% to nearly 8 trillion yuan, reflecting heightened market activity, particularly in the Shenzhen market [5] Sector Performance - Strong performance is noted in sectors such as CPO, copper-clad laminates, and consumer electronics, while sectors like electrolytes, coal, and civil aviation are underperforming [4] Fund Flows - Institutional investors are cautiously optimistic, maintaining a high position strategy with over 60% opting for heavy positions in response to market volatility, particularly favoring AI and semiconductor sectors [8] - Retail investors show a mixed sentiment, with some active in specific stocks but overall cautious, leading to a net outflow of retail funds [8] Investor Sentiment - The sentiment among retail investors is at 75.85%, indicating a generally positive outlook despite some hesitance [9] - A significant portion of investors (61.20%) anticipates a market decline in the next trading day, while 38.80% expect an increase [15]

股价方面，A股"培育钻石"板块表现强劲，10月20日、21日分别上涨6.69%和4.13%，均位列所有板块前3。 若将时间线拉长，从今年4月至今，板块指数已从798.51提升至1733.8，6个月涨幅达117.13%。 企查查数据显示，国内现存培育钻石相关企业873家。从经营时间来看，培育钻石相关企业多为老牌企 业，成立年限在10年以上的企业近六成，占比达59.54%。从地区分布来看，培育钻石相关企业多分布在华 中地区和华东地区，分别占比33.91%、29.55%。从注册资本来看，培育钻石相关企业多为轻量级企业，注 册资本在100万元以内的相关企业最多，占比30.68%。注册量方面，2024年全年注册15家相关企业，截至 目前，今年已注册7家。 力量钻石156.47克拉钻石原石，尺寸36.70㎜×32.85㎜×15.30㎜ 力量钻石相关负责人表示，随着5G、6G、AI、量子计算的爆发，芯片集成度越来越高，热流密度持续上 升，散热已成为制约芯片性能的关键问题。金刚石的热导率是铜的5倍、硅的10倍以上，是最理想的散热 材料，这一技术突破对于培育钻石在半导体散热领域的应用具有重要意义。 从资本市场影响来看，除了半导 ...

Core Insights - The A-share market saw a total of 93 stocks hitting the daily limit up on October 21, with notable performances from coal and combustible ice concept stocks [1] Group 1: Stock Performance - Day count of limit-up stocks includes: Dayou Energy with 6 consecutive limit-ups in coal mining, and Shenke Co. and Deshi Co. both achieving 2 consecutive limit-ups in the combustible ice sector [1] - Other notable stocks include ST Zhongdi and Yingxin Development in real estate with 3 and 2 consecutive limit-ups respectively, and Xianfeng Electronics in natural gas with 3 consecutive limit-ups [1] Group 2: Sector Highlights - The combustible ice concept is gaining traction, as evidenced by the performance of Shenke Co. and Deshi Co. [1] - Coal mining remains strong with Dayou Energy leading the sector with 6 consecutive limit-ups, indicating robust investor interest [1]

10月21日，A股主要指数高开高走，沪指收涨1.36%报3916点，深证成指涨2.06%，创业板指涨3.02%，科创50指数涨2.55%。 全市场成交额1.89万亿元，较前一交易日增量1414亿元，超4600股上涨。 盘面上，培育钻石板块继续爆发，页岩气、油气设服板块走高；9月我国工程机械进出口贸易额同比增29.1%，工业机械板块拉升；CPO、PCB、电子元件、 存储芯片及船舶制造等板块涨幅居前。另外，煤炭股逆市走低，贵金属等少数几个板块录得下跌。 具体来看： 培育钻石、超硬材料板块继续爆发，四方达大涨超11%，黄河旋风涨停。消息面上，在第十五届中国河南国际投资贸易洽谈会上，力量钻石正式宣布成功培 育出重达156.47克拉的人工钻石原石。此前商务部会同海关总署发布关于对超硬材料相关物项实施出口管制措施的公告，将于11月8日正式实施。 | 代码 | 名称 | 最新价 | 涨跌额 | 涨跌幅 > | 总市值 | | --- | --- | --- | --- | --- | --- | | 300179 | 四方达 | 15.61 | +1.56 | 11.10% | 75.85亿 | | 600172 | 黄河 ...

Market Overview - The A-share market showed a positive trend today, with major indices mostly rising. The Shanghai Composite Index increased by 1.36% to close at 3916.33 points, while the Shenzhen Component Index rose by 2.06% to 13077.32 points. The Sci-Tech 50 index saw a gain of 2.81%, closing at 1406.32 points, and the ChiNext Index increased by 3.02% to 3083.72 points. Overall, 4624 stocks rose, 729 fell, and 80 remained unchanged, with a total trading volume of 18739 billion yuan, an increase of 1362.89 billion yuan compared to the previous trading day [1]. Industry Performance - Among the Shenwan first-level industries, all sectors except coal experienced gains today. The leading sectors in terms of growth included telecommunications, electronics, construction decoration, comprehensive, real estate, and machinery equipment [1]. Sector Highlights - The top-performing concept sectors today included optical modules (CPO), consumer electronics OEM, optical chips, HBM, primary real estate developers, cultivated diamonds, copper-clad laminates, circuit boards, optical communications, excavators, memory storage, urban village renovation, natural gas, oil and gas extraction, and GPU sectors [1].

Core Points - A-shares experienced a collective rise with the three major indices opening high and maintaining an upward trend throughout the day [1] - The Shanghai Composite Index returned to the 3900-point level, closing at 3916.33 points, marking a 1.36% increase [1] - The Shenzhen Component Index and the ChiNext Index also saw significant gains, closing at 13077.32 points (up 2.06%) and 3083.72 points (up 3.02%) respectively [1] Market Performance - Sectors such as shale gas, cultivated diamonds, and oil and gas services led the gains, while coal, gas, and precious metals sectors showed declines [1] - A total of 4628 stocks in the A-share market closed in the green, with 92 stocks hitting the daily limit up, while 729 stocks closed in the red, including 5 stocks hitting the daily limit down [1] - The trading volume was substantial, with the Shanghai Stock Exchange recording a turnover of 8379.38 billion yuan and the Shenzhen Stock Exchange 10359.56 billion yuan, totaling approximately 1.87 trillion yuan [1]

Market Performance - Major A-share indices opened higher and closed with gains, with the Shanghai Composite Index rising by 1.36% to 3916 points, the Shenzhen Component Index increasing by 2.06%, and the ChiNext Index up by 3.02% [1] - The total market turnover reached 1.89 trillion yuan, an increase of 141.4 billion yuan compared to the previous trading day, with over 4600 stocks rising [1] Sector Performance - The cultivated diamond sector continued to surge, with stocks like Huanghe Xuanfeng and Hengsheng Energy recording two consecutive trading limits [1] - The shale gas and oil service sectors also saw gains, with companies such as PetroChina and Shenkai Co. hitting the daily limit [1] - The industrial machinery sector was boosted by a 29.1% year-on-year increase in China's engineering machinery import and export trade in September, leading to multiple stocks like Shanhe Intelligent hitting the daily limit [1] - The CPO concept remained active, with stocks like Zhongfu Circuit rising over 10% [1] - Other sectors that performed well included Hubei, PCB, electronic components, and shipbuilding [1] - Conversely, coal stocks declined, with Antai Group falling over 7%, and a few sectors like precious metals recorded losses [1] Top Gainers and Fund Flow - The top gainers included communication equipment (+4.81%), heavy machinery (+3.15%), and semiconductor sectors [2] - The energy equipment sector saw significant net capital inflow, indicating strong investor interest [2]