Core Viewpoint - The A-share market has seen a significant rally in synthetic diamond concept stocks, indicating growing investor interest in this sector [1] Group 1: Stock Performance - Huanghe Xuanfeng and China Gold both reached the daily limit up, showcasing strong market confidence [1] - Sifangda increased by over 9%, while Huifeng Diamond rose by 7%, reflecting positive momentum in the sector [1] - Power Diamond and Guoji Jinggong both saw gains of over 4%, and Mankalon increased by nearly 4%, indicating widespread strength among synthetic diamond stocks [1]

Core Viewpoint - The A-share market is witnessing a strong performance in the synthetic diamond sector, with several stocks experiencing significant gains [1] Group 1: Stock Performance - Huanghe Xuanfeng and China Gold both reached the daily limit up, indicating a strong bullish trend [1] - Sifangda saw an increase of over 9%, while Huifeng Diamond rose by 7% [1] - Power Diamond and Guoji Jinggong both increased by over 4%, and Mankalon rose nearly 4% [1]

Group 1 - The cultivated diamond sector showed strength in early trading, with Sifangda reaching a new high, and Huanghe Xuanfeng hitting the daily limit, while Huifeng Diamond, Liliang Diamond, and World also saw gains [2][3] - Sifangda's stock price increased by 12.09% to 21.70, with a five-day increase of 28.33% [3] - Huanghe Xuanfeng's stock rose by 9.98% to 7.16, with a five-day increase of 14.74% [3] - Huifeng Diamond's stock price increased by 9.90% to 41.61, with a five-day increase of 16.49% [3] - China Gold's stock rose by 9.76% to 11.13, with a five-day increase of 33.73% [3] - Liliang Diamond's stock price increased by 6.25% to 42.85, with a five-day increase of 9.42% [3] - World’s stock price rose by 4.64% to 104.83, with a five-day increase of 30.55% [3] Group 2 - The focus is on monitoring intraday hot spots and capturing signals of sector movements, while tracking the direction of main capital flows [5]

Group 1 - The A-share cultivated diamond sector experienced a short-term surge, with companies like Jing Sheng Mechanical and Electrical reaching the daily limit, while Huanghe Xuanfeng, Huifeng Diamond, Power Diamond, and World also saw significant increases [1] - A research team successfully developed aerospace-grade packaged single crystal diamond radiation detectors, which promotes the application of diamond detectors in space payloads [1]

每经AI快讯，1月21日，培育钻石指数盘初跌2%，主要成分股普遍走低。其中，四方达跌4.20%，黄河 旋风跌3.69%，惠丰钻石跌2.51%，力量钻石跌1.38%，沃尔德跌1%。 （文章来源：每日经济新闻） ...

Group 1: Hydrogen Energy Sector Performance - The hydrogen energy concept sector index opened at 1167.60 points and closed at 1730.33 points in 2025, marking an increase of over 48% within the year [1] - The sector index experienced a six-day consecutive rise since the beginning of the year, closing at a historical high with a final increase of 1.76% [1] - All 11 stocks in the sector, referred to as "湘股," saw price increases last year, indicating strong market performance [1] Group 2: Key Stocks in the Sector - The stock with the highest increase in 2025 was 凯美特气, which rose from an opening price of 6.13 yuan per share to a closing price of 21.22 yuan per share, achieving a year-on-year increase of over 246% [1] - 惠同新材, another key player, had a total increase of 72.19% in 2025, with its stock price rising from 21.12 yuan per share to 27.80 yuan per share within six trading days in 2026 [3] - The 11 stocks in the hydrogen energy sector include 惠同新材, 金博股份, 时代电气, 百利科技, 科力远, 时代新材, 惠博普, 凯美特气, 中联重科, 岱勒新材, and 恒光股份 [1] Group 3: Company Financial Performance - 凯美特气 reported a net profit of 75.4 million yuan for the third quarter of 2025, with a year-on-year growth of 326.54% [2] - The company's hydrogen gas revenue reached 102 million yuan, accounting for 33% of total operating income in the first half of 2025 [2] - 惠同新材 reported a net profit of 38.6 million yuan for the third quarter of 2025, with a year-on-year growth of 23.98% [2]

Group 1 - The superhard materials index increased by 2% during intraday trading [1] - Among the constituent stocks, Huanghe Xuanfeng rose by 7.43% [1] - Yujing Co., Ltd. saw an increase of 6.63% [1] - Sifangda experienced a rise of 3.29% [1] - Huifeng Diamond increased by 2.44% [1] - Power Diamond rose by 2.31% [1]

Core Viewpoint - The cultivated diamond and superhard materials sector experienced a significant intraday surge, with Huanghe Xuanfeng hitting the daily limit, Sifangda rising over 5%, and Huifeng Diamond, Power Diamond, and Chujing New Materials also showing upward trends [1] Company Performance - Huanghe Xuanfeng reached the daily limit, indicating strong investor interest and confidence in the company's stock performance [1] - Sifangda saw an increase of over 5%, reflecting positive market sentiment towards its business prospects [1] - Other companies in the sector, including Huifeng Diamond, Power Diamond, and Chujing New Materials, also experienced gains, suggesting a broader rally in the cultivated diamond and superhard materials market [1]

Core Viewpoint - The company, Huifeng Diamond, is shifting its fundraising focus from expanding its diamond powder production base to investing in a new project aimed at producing high-performance diamond powder, driven by strong market demand in various high-end applications [1][2][3]. Group 1: Fundraising and Project Changes - In 2022, Huifeng Diamond raised over 300 million yuan for the expansion of its diamond powder production base and R&D center [1]. - On January 6, 2026, the company announced a change in the use of raised funds, redirecting investments towards a project to produce 2 billion carats of high-performance diamond powder [1]. - The company has decided to cancel the production of low-performance diamond powder and diamond crushing materials in the expansion project, focusing instead on increasing the capacity for high-performance diamond powder [2]. Group 2: Market Demand and Strategic Adjustments - The company has identified a market trend where low-end diamond powder demand is under pressure, while high-end applications in sectors like electric vehicles, aerospace, and defense are thriving [2][4]. - The new project will utilize smart technology for production, enhancing digitalization and automation, which is expected to improve production efficiency and reduce costs [3][5]. Group 3: Industry Opportunities and Applications - The global shift of industries such as photovoltaic and IT processing towards China is creating significant demand for high-performance diamond cutting tools, opening up vast market opportunities for diamond powder [4]. - High-performance diamond powder is increasingly being applied in various fields, including photovoltaic, consumer electronics, and new energy vehicles, indicating a broadening scope for its industrial applications [4][5].

Core Viewpoint - Huifeng Diamond announced plans for its subsidiaries to apply for a total credit limit of up to 120 million yuan from several banks to support operational development and working capital needs [2] Group 1: Company Actions - The company’s fourth board meeting approved a proposal for its subsidiaries, Henan Huifeng Diamond Co., Ltd. and Henan Kela Diamond Co., Ltd., to seek bank credit [2] - The subsidiaries intend to apply for a cumulative credit limit not exceeding 120 million yuan from CITIC Bank, China Bank, and SPD Bank [2] - The company will provide joint liability guarantees for the credit applications made by its subsidiaries [2] Group 2: Related Transactions - The proposal involves related party transactions and is subject to approval by the shareholders' meeting [2]