证券之星消息，11月28日非金属材料板块较上一交易日上涨2.31%，龙高股份领涨。当日上证指数报收 于3888.6，上涨0.34%。深证成指报收于12984.08，上涨0.85%。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 | 33.99 | 10.00% | | 10.03万 | 3.36亿 | | 603826 | 坤彩科技 | 17.84 | 3.66% | | 5.87万 | · 1.04亿 | | 301071 | 力重钻石 | 37.68 | 2.25% | | 7.76万 | 2.91亿 | | 603612 | 索通发展 | 23.94 | 1.53% | | 12.60万 | 3.00亿 | | 688300 | 联瑞新材 | 56.00 | 1.08% | | 2.36万 | 1.31亿 | | 603688 | 石英股份 | 36.44 | 1.05% | | 4.62万 | 1.68亿 | | ...

Core Viewpoint - The stock of Henan Power Diamond Co., Ltd. experienced a decline of 2.41% on November 27, with a trading volume of 365 million yuan and a market capitalization of 9.591 billion yuan [1] Company Overview - Henan Power Diamond Co., Ltd. specializes in the research, production, and sales of synthetic diamond products, including cultivated diamonds, diamond single crystals, and diamond micro-powder [2] - The company was established on November 9, 2010, and went public on September 24, 2021. Its main revenue sources are cultivated diamonds (50.73%), diamond single crystals (35.17%), diamond micro-powder (11.38%), and other products (2.72%) [6] - As of September 30, 2025, the company reported a revenue of 402 million yuan, a year-on-year decrease of 25.36%, and a net profit attributable to shareholders of 46.272 million yuan, down 73.84% year-on-year [6] Industry Application - The company's products are widely used in the processing of third-generation semiconductor materials, particularly in cutting, grinding, and polishing applications [2] - Power Diamond is recognized as one of the early companies in China to achieve mass production of special-shaped octahedral diamond tips for ultra-precision processing of IC chips, with high technical standards and product quality [2] Financial Analysis - The stock's average trading cost is 40.81 yuan, with recent reductions in holdings, although the pace of reduction has slowed. The current stock price is near a resistance level of 37.52 yuan, indicating potential for a price correction if this level is not surpassed [5] - The main capital inflow for the stock today was negative at 24.7081 million yuan, with no clear trend in the main capital flow observed [3][4] Shareholder Information - As of September 30, 2025, the number of shareholders decreased by 1.71% to 26,300, with an average of 7,409 circulating shares per person, an increase of 1.74% [6] - The company has distributed a total of 421 million yuan in dividends since its A-share listing, with 361 million yuan distributed over the past three years [7]

Market Overview - The non-metal materials sector experienced a decline of 0.99% on November 20, with Suotong Development leading the drop [1] - The Shanghai Composite Index closed at 3931.05, down 0.4%, while the Shenzhen Component Index closed at 12980.82, down 0.76% [1] Stock Performance - Notable stock performances included: - Lianrui New Materials (688300) rose by 2.04% to a closing price of 55.40, with a trading volume of 42,200 shares and a transaction value of 233 million [1] - Longgao Co., Ltd. (605086) increased by 0.39% to 30.55, with a trading volume of 44,100 shares [1] - Suotong Development (603612) fell by 3.41% to 24.68, with a trading volume of 212,600 shares and a transaction value of 53.5 million [2] Capital Flow - The non-metal materials sector saw a net outflow of 42.67 million from institutional investors and 22.05 million from retail investors, while individual investors contributed a net inflow of 64.72 million [2] - The capital flow for specific stocks indicated: - Lianrui New Materials had a net inflow of 8.65 million from institutional investors but a net outflow of 24.10 million from retail investors [3] - Longgao Co., Ltd. experienced a net inflow of 11.57 million from institutional investors but a net outflow of 14.06 million from retail investors [3]

Core Insights - The non-metal materials sector experienced a rise of 1.97% on November 13, with Ningxin New Materials leading the gains [1] - The Shanghai Composite Index closed at 4029.5, up 0.73%, while the Shenzhen Component Index closed at 13476.52, up 1.78% [1] Sector Performance - Ningxin New Materials (code: 920719) closed at 15.76, with a gain of 5.21% and a trading volume of 80,700 shares, amounting to a transaction value of 126 million [1] - Suotong Development (code: 603612) saw a closing price of 30.38, up 4.76%, with a trading volume of 557,500 shares and a transaction value of 1.689 billion [1] - Longgao Co., Ltd. (code: 605086) closed at 29.02, increasing by 4.39%, with a trading volume of 81,000 shares and a transaction value of 232 million [1] - Other notable performers include Tianma New Materials (code: 920971) with a 3.45% increase, and Dongfang Huizhen (code: 920175) with a 3.12% increase [1] Capital Flow - The non-metal materials sector saw a net inflow of 175 million from institutional investors, while retail investors experienced a net outflow of 89.97 million [1] - Specific stock capital flows indicate that Suotong Development had a net inflow of 141 million from institutional investors, while retail investors had a net outflow of 90.65 million [2] - Quartz Co., Ltd. (code: 603688) had a net inflow of 17.36 million from institutional investors, while retail investors had a net inflow of 8.52 million [2]

Market Overview - The non-metal materials sector experienced a decline of 1.41% on November 12, with the leading stock, Strength Diamond, falling significantly [1] - The Shanghai Composite Index closed at 4000.14, down 0.07%, while the Shenzhen Component Index closed at 13240.62, down 0.36% [1] Stock Performance - Notable gainers included: - Longgao Co., Ltd. (605086) with a closing price of 27.80, up 2.17% [1] - Suotong Development (603612) at 29.00, up 2.04% [1] - Significant decliners included: - Strength Diamond (301071) at 42.20, down 7.31% [2] - Tianma New Materials (920971) at 34.51, down 6.50% [2] - Quartz Co., Ltd. (603688) at 38.80, down 3.12% [2] Capital Flow - The non-metal materials sector saw a net outflow of 4.85 million yuan from institutional investors, while retail investors had a net inflow of 37.13 million yuan [2][3] - The capital flow for key stocks showed: - Suotong Development had a net inflow of 101 million yuan from institutional investors [3] - Strength Diamond experienced a net outflow of 71.35 million yuan from institutional investors [3]

Group 1 - The cultivated diamond sector experienced a decline of 4.21%, ranking among the top losers in the concept sector, with *ST Yazhen hitting the daily limit down [1][2] - Major stocks within the cultivated diamond sector that saw significant declines include Jing Sheng Electric (-7.23%), Huanghe Xuanfeng (-5.38%), and Sifangda (-6.02%) [2][3] - Conversely, stocks that gained in this sector include Guoli Electronics (+3.39%), Chaohongji (+2.24%), and Yuyuan Shares (+1.43%) [1][3] Group 2 - The cultivated diamond sector faced a net outflow of 9.45 billion yuan in principal funds, with 12 stocks experiencing net outflows, and 6 stocks seeing outflows exceeding 1 billion yuan [2] - The stock with the highest net outflow was Jing Sheng Electric, with a net outflow of 1.75 billion yuan, followed by Huanghe Xuanfeng and Sifangda with net outflows of 1.63 billion yuan and 1.44 billion yuan, respectively [2] - Stocks with the highest net inflows included Hengsheng Energy, World, and Chaohongji, with net inflows of 12.56 million yuan, 10.98 million yuan, and 10.39 million yuan, respectively [2][3]

Core Viewpoint - The stock of Power Diamond experienced a significant increase of 10.30% on November 11, with a trading volume of 1.453 billion yuan, indicating strong market interest and activity in the company's shares [1]. Financing and Trading Activity - On November 11, Power Diamond had a financing buy-in amount of 196 million yuan and a financing repayment of 153 million yuan, resulting in a net financing buy of 42.61 million yuan [1]. - As of November 11, the total financing and securities lending balance for Power Diamond was 465 million yuan, with the financing balance accounting for 3.91% of the circulating market value, indicating a high level of leverage compared to the past year [1]. - In terms of securities lending, Power Diamond had a repayment of 700 shares and a sell-off of 1,400 shares on November 11, with a selling amount of 63,700 yuan based on the closing price [1]. Company Overview - Power Diamond Co., Ltd. is located in the industrial gathering area of Zhecheng County, Henan Province, and was established on November 9, 2010, with its stock listed on September 24, 2021 [1]. - The company's main business involves the research, production, and sales of synthetic diamond products, with revenue composition as follows: cultivated diamonds 50.73%, single crystal diamonds 35.17%, diamond micro-powder 11.38%, and others 2.72% [1]. Financial Performance - As of September 30, 2025, Power Diamond reported a total revenue of 402 million yuan, reflecting a year-on-year decrease of 25.36%, and a net profit attributable to shareholders of 46.27 million yuan, down 73.84% year-on-year [2]. - The company has distributed a total of 421 million yuan in dividends since its A-share listing, with 361 million yuan distributed over the past three years [2]. Shareholder Structure - As of September 30, 2025, the number of shareholders for Power Diamond was 26,300, a decrease of 1.71% from the previous period, while the average circulating shares per person increased by 1.74% to 7,409 shares [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited ranked fifth with 2.9097 million shares, an increase of 1.4771 million shares from the previous period, while the Southern CSI 1000 ETF exited the top ten list [2].

Group 1: Market Overview - The A-share market opened high but closed lower, with the Shanghai Composite Index continuing to fluctuate around the 4000-point mark, while the Shenzhen Component, ChiNext, and other indices fell over 1% [1][3] - The market turnover slightly decreased to 2.01 trillion yuan, indicating a reduction in trading activity [1] Group 2: Sector Performance - The cultivated diamond, new energy, forestry, and plastics sectors saw significant gains, while consumer electronics, communication equipment, aerospace, and diversified finance sectors experienced notable declines [3] - The cultivated diamond sector index surged nearly 6%, reaching a historical high, with a cumulative increase of over 215% since the "9.24" market rally last year, outperforming other popular sectors like chips and AI [6] Group 3: Capital Flow - Major capital inflows were observed in basic chemicals (over 7.1 billion yuan), pharmaceuticals (over 3 billion yuan), and several other sectors, while electronics and computing saw significant outflows (over 8.9 billion yuan and over 5 billion yuan, respectively) [5] - The market is expected to maintain high-level fluctuations, with a shift from extreme differentiation to a more balanced style, favoring large-cap stocks [5] Group 4: New Energy Sector - The new energy industry chain showed strong performance, particularly in photovoltaic sectors, with the perovskite battery concept being notably active, marking its fifth consecutive day of gains and reaching a two-and-a-half-year high [10][12] - The National Development and Reform Commission and the National Energy Administration released guidelines to enhance the adaptability of new power systems by 2030, aiming to meet the annual demand for the reasonable consumption of over 200 million kilowatts of new energy [12] Group 5: Diamond Cooling Market - The diamond cooling market is projected to grow dramatically from $0.37 million in 2025 to $15.2 billion by 2030, indicating explosive growth potential [9] - Diamond's thermal conductivity is significantly higher than that of copper and silver, making it a promising material for high-performance cooling solutions in advanced technology applications [9]

Core Insights - The non-metal materials sector experienced a slight increase of 0.18% on November 11, with Lili Diamond leading the gains [1] - The Shanghai Composite Index closed at 4002.76, down 0.39%, while the Shenzhen Component Index closed at 13289.0, down 1.03% [1] Stock Performance - Lili Diamond (301071) saw a closing price of 45.53, with a significant increase of 10.30% and a trading volume of 325,100 shares, amounting to a transaction value of 1.453 billion [1] - Other notable performers included Dongfang Xiayuan (920175) with a 5.81% increase, Longgao Co. (605086) with a 4.17% increase, and Ningxin New Materials (920719) with a 4.09% increase [1] - Conversely, stocks like Lianrui New Materials (688300) and Suotong Development (603612) experienced declines of 3.11% and 2.20%, respectively [2] Capital Flow - The non-metal materials sector saw a net outflow of 165 million from institutional investors, while retail investors contributed a net inflow of 174 million [2] - The capital flow data indicates that Lili Diamond had a net inflow of 16.9342 million from institutional investors, despite a net outflow from retail and speculative investors [3] - Longgao Co. (605086) and Changjiang Materials (001296) also showed mixed capital flows, with institutional inflows but retail outflows [3]

Market Overview - The market experienced fluctuations with the Shenzhen Component Index and ChiNext Index both declining over 1% while the superhard materials sector surged, with stocks like Sifangda and Huanghe Xuanfeng hitting the daily limit [1] - The photovoltaic sector showed strength, with companies like Zhonglai Co. and GCL-Poly Energy also reaching the daily limit [1] - The consumer sector saw gains in the afternoon, with stocks such as Huanlejia and Sanyuan Co. hitting the daily limit [1] - The storage chip sector faced adjustments, with companies like Xiangnong Xinchuan dropping nearly 10% [1] - The total trading volume for the day was 2.01 trillion [1] Hot Topics Cultivated Diamonds - Cultivated diamonds saw a significant rise, with stocks like Huanghe Xuanfeng, Sifangda, and Hengsheng Energy hitting the daily limit [3] - The demand for diamond micro-drills, which utilize diamond tips for precision drilling in various materials, is increasing due to their application in high-power and high-frequency electronic devices [3] - According to estimates, the diamond cooling market is projected to grow from $0.5 billion in 2025 to $152.4 billion by 2030, with a compound annual growth rate of 214% [4] Photovoltaic Sector - The photovoltaic sector experienced a notable increase, with companies like Jincheng Co. and Guosheng Technology hitting the daily limit [5] - A recent guideline from the National Development and Reform Commission and the National Energy Administration emphasizes the promotion of advanced and efficient new energy storage technologies, aiming to meet the demand for 200 million kilowatts of new energy consumption annually by 2030 [5] - The "anti-involution" policies in the photovoltaic sector are focused on controlling prices and production volumes, leading to price increases across the supply chain since July [8][9] Consumer Sector - The consumer sector remained active, with companies like Dongbai Group and Zhejiang Dongri achieving consecutive daily limits [9] - The October CPI data indicated a year-on-year decrease of 2.9% in food prices, suggesting a gradual recovery in the restaurant chain sector [10] - The dairy product market is expected to see a stable recovery in demand, with supply gradually improving [11]