Group 1 - The core point of the news is that AAC Technologies has been actively repurchasing its shares, with a total of 1,065,000 shares repurchased since November 4, 2025, amounting to approximately HKD 41.41 million [2][3] - On November 7, 2025, the company repurchased 300,000 shares at a price range of HKD 38.920 to HKD 39.100, with a total repurchase amount of HKD 11.6955 million [2] - The stock price of AAC Technologies closed at HKD 38.880 on the same day, reflecting a decline of 2.61% with a total trading volume of HKD 125 million [2] Group 2 - Year-to-date, AAC Technologies has conducted 75 repurchase transactions, totaling 23.147 million shares and an aggregate repurchase amount of HKD 900 million [3] - The detailed repurchase data shows that the highest repurchase price reached HKD 53.500 and the lowest was HKD 28.500 during the year [4][5] - The company has shown a consistent pattern of share repurchases, indicating a strategy to support its stock price amidst market fluctuations [3][4]

Core Viewpoint - 瑞声科技 announced a share buyback of 300,000 shares at a cost of HKD 11.696 million on November 7 [1] Group 1 - The company executed a buyback program, indicating confidence in its stock value [1] - The total expenditure for the buyback was approximately HKD 11.696 million [1] - The number of shares repurchased was 300,000 [1]

Core Viewpoint - AAC Technologies (02018) announced a share buyback of 300,000 shares at a cost of HKD 11.6955 million on November 7, 2025 [1] Summary by Category - **Company Actions** - The company is actively engaging in a share repurchase program, indicating a commitment to returning value to shareholders [1] - **Financial Details** - The total expenditure for the buyback is HKD 11.6955 million, which reflects the company's financial strategy and market confidence [1]

Group 1 - The company, AAC Technologies (02018), announced a share buyback of 300,000 shares at a cost of HKD 11.6955 million on November 7, 2025 [1]

FF305 翌日披露報表 (股份發行人 ── 已發行股份或庫存股份變動、股份購回及/或在場内出售庫存股份) 表格類別： 股票 狀態： 新提交 公司名稱： 瑞聲科技控股有限公司（於開曼群島註冊成立之有限公司） 呈交日期： 2025年11月7日 如上市發行人的已發行股份或庫存股份出現變動而須根據《香港聯合交易所有限公司（「香港聯交所」）證券上市規則》(「《主板上市規則》」)第13.25A條 / 《香港聯合交易所有限公司GEM證券 上市規則》(「《GEM上市規則》」)第17.27A條作出披露，必須填妥第一章節 。 | 第一章節 | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | 1. 股份分類 | 普通股 | 股份類別 不適用 | | | 於香港聯交所上市 | 是 | | | 證券代號 (如上市) | 02018 | 說明 | | | | | | | A. 已發行股份或庫存股份變動 | | | | | | | | | | | 已發行股份（不包括庫存股份）變動 | | 庫存股份變動 | | | | | 事件 | | 已發行股份（不包括 ...

Core Insights - The MEMS industry in Greater China is projected to reach $1.7 billion in revenue in 2024, with a year-on-year growth of 8.4% and an estimated shipment of 5.4 billion units [1] - The market is expected to grow at a compound annual growth rate (CAGR) of 3.6% from 2024 to 2030, reaching $2 billion in revenue and 6.6 billion units sold by 2030 [1] - Chinese manufacturers are positioned to capitalize on this growth, particularly in the "AI + IoT + automotive electronics" wave [1] Market Dynamics - Consumer electronics remain the largest application segment for MEMS, with strong demand for inertial sensors, microphones, and pressure sensors in wearable devices like TWS headphones and smartwatches [3] - Major Chinese companies such as Silan Microelectronics, AAC Technologies, Goermicro, MiraMEMS, and MEMSensing are key players in the supply chain, leveraging performance, reliability, and cost advantages [3] - Goermicro is projected to achieve over 4.5 billion yuan in revenue in 2024, making it the largest smart sensor interaction solution provider in China [3] Revenue Growth - Silan Microelectronics reported a 10% increase in revenue for its MEMS sensor products in the first half of 2025, with a market share of 20%-30% in domestic smartphone brands [3] - AAC Technologies' sensor and semiconductor business revenue reached 608 million yuan in the first half of 2025, a 56.2% increase, driven by high signal-to-noise ratio microphones [4] - MEMSensing achieved a record revenue of 300 million yuan in the first half of 2025, a 47.82% increase, with significant upgrades in acoustic sensor technology [5] Industry Expansion - Chinese MEMS manufacturers are expanding into high-value sectors like automotive and industrial applications, with Silan Microelectronics developing high-precision inertial sensors for automotive use [6] - The automotive sector is seeing increased demand for MEMS microphones due to the rise of smart cockpits and voice control systems [6] - The industrial sector is leveraging MEMS accelerometers and microphones for equipment health monitoring, aligning with the cost and manufacturing flexibility of Chinese firms [7] Emerging Applications - The medical market is expected to be one of the fastest-growing segments for MEMS, particularly with the opening of the OTC hearing aid market in the U.S. and China [7] - MEMS technology is also being integrated into AI infrastructure, with demand for MEMS optical switches and micro-mirrors in optical communication systems [8] Device Maturity - The variety of MEMS devices includes inertial, acoustic, environmental, optical, medical, and energy-related types, with applications expanding beyond consumer electronics [9] - Chinese manufacturers have achieved near-complete domestic production of MEMS microphones, reaching international performance standards [10] Manufacturing Advancements - The MEMS foundry sector in Greater China is projected to grow by 14.3% in 2024, becoming a new growth engine for the industry [13] - Companies like Chipone Integrated Circuits and Huazhong University of Science and Technology are emerging as key players in MEMS wafer foundry [16][17] - The transition from 8-inch to 12-inch wafer production lines is underway, with Guangzhou Zengxin launching the first 12-inch MEMS sensor production line in China [18] Future Outlook - Chinese MEMS companies are expected to gain unprecedented development opportunities, benefiting from their position as a core manufacturing hub for consumer electronics, automotive, and industrial sectors [12] - The focus on manufacturing capabilities is shifting from "filling gaps" to "building advantages," enhancing China's bargaining power and technological influence in the global MEMS market [21]

Summary of Key Points Core Viewpoint - A total of 30 companies conducted share buybacks on November 6, 2025, with China Feihe (06186) leading in both the number of shares repurchased and the total amount spent on buybacks [1]. Group 1: Buyback Details - China Feihe (06186) repurchased 6.806 million shares for a total of 29.4298 million yuan, representing 0.746% of its total share capital [2]. - Kexin Pharmaceutical-B (02171) repurchased 1.734 million shares for 26.3078 million yuan, accounting for 0.380% of its total share capital [2]. - COSCO Shipping Holdings (01919) repurchased 1.53 million shares for 20.9869 million yuan, which is 0.409% of its total share capital [2]. Group 2: Other Notable Buybacks - Gushengtang (02273) repurchased 493,500 shares for 13.7699 million yuan, representing 3.435% of its total share capital [2]. - China Petroleum & Chemical Corporation (00386) repurchased 2.398 million shares for 10.1066 million yuan, which is 0.100% of its total share capital [2]. - Lianyi Technology-W (09959) repurchased 2.38 million shares for 7.4745 million yuan, accounting for 4.298% of its total share capital [2]. Group 3: Additional Companies - Other companies that conducted buybacks include: - Ruisheng Technology (02018) with 165,000 shares repurchased for 6.5033 million yuan [2]. - MGM China (02282) with 400,000 shares repurchased for 6.3701 million yuan [2]. - Huajian Medical (01931) with 922,000 shares repurchased for 5.9985 million yuan [2]. Group 4: Smaller Buybacks - Companies with smaller buyback amounts include: - Yidian Cloud (02416) with 130,000 shares repurchased for 264,000 yuan [3]. - International Home Retail (01373) with 150,000 shares repurchased for 118,500 yuan [3]. - Mobi Development (00947) with 70,000 shares repurchased for 1.167 million yuan [3].

Core Viewpoint - The MEMS (Micro-Electro-Mechanical Systems) industry in the Greater China region is projected to reach a global revenue of $1.7 billion in 2024, with a year-on-year growth of 8.4%, driven by the convergence of AI, IoT, and automotive electronics [2]. Group 1: Market Dynamics - The MEMS market is expected to have a compound annual growth rate (CAGR) of 3.6% from 2024 to 2030, with sales reaching 6.6 billion units and revenue hitting $2 billion by 2030 [2]. - Consumer electronics remain the largest application segment, particularly in TWS earbuds, smartwatches, and AR glasses, where demand for inertial sensors, microphones, and pressure sensors is strong [4][5]. Group 2: Chinese Manufacturers' Role - Chinese companies such as Silan Microelectronics, AAC Technologies, Goermicro, MiraMEMS, and MEMSensing are becoming key drivers in the MEMS market, leveraging advantages in performance, reliability, and cost [5]. - The domestic MEMS microphone industry has achieved nearly complete localization, forming a complete ecosystem from wafer to packaging, with performance metrics approaching international standards [12]. Group 3: Technological Advancements - MEMS acoustic sensors are set to undergo significant upgrades in technical specifications, particularly in signal-to-noise ratio, creating new market opportunities [6]. - The automotive and industrial sectors are seeing increased demand for high-reliability MEMS products, with applications in safety-related systems and device health monitoring [7]. Group 4: Emerging Markets - The medical market is anticipated to be one of the fastest-growing segments for MEMS, especially with the opening of the OTC hearing aid market in the U.S. and China [8]. - The demand for MEMS in communication and AI infrastructure is also rising, driven by the surge in data traffic and AI training scales [8]. Group 5: Manufacturing and Supply Chain - The MEMS foundry sector in Greater China is expected to grow by 14.3% in 2024, with companies like Chipone, Silex, and Huazhong University of Science and Technology leading the charge [17]. - The transition from 8-inch to 12-inch wafer production lines is underway, which will significantly reduce costs and increase output [19][21]. Group 6: Future Outlook - Chinese MEMS companies are positioned to seize unprecedented growth opportunities, benefiting from their proximity to key markets and the ability to respond quickly to customer needs [14][15]. - The next decade will be crucial for achieving breakthroughs in high performance, intelligence, and system integration within the MEMS industry [24].

Core Points - The company, AAC Technologies, has been actively repurchasing its shares, with a total of 16,500 shares bought back on November 6 at prices ranging from HKD 39.100 to HKD 39.500, amounting to HKD 6.5033 million [2] - Since November 4, the company has conducted share buybacks for three consecutive days, totaling 765,000 shares and a cumulative amount of HKD 29.7104 million, despite a slight decline of 0.40% in the stock price during this period [2] - Year-to-date, AAC Technologies has executed 74 buyback transactions, repurchasing a total of 2,284,700 shares for a total expenditure of HKD 888 million [3] Buyback Details - On November 6, the company repurchased 16.50 thousand shares at a maximum price of HKD 39.500 and a minimum price of HKD 39.100, with a total buyback amount of HKD 650.33 thousand [3] - The buyback activity includes previous transactions on November 5 and November 4, where 30,000 shares were repurchased each day for amounts of HKD 1,148.92 thousand and HKD 1,171.79 thousand respectively [3] - The buyback trend indicates a consistent strategy by the company to support its stock price and return value to shareholders [3][4]

Core Viewpoint - AAC Technologies (02018) announced a share buyback plan, investing HKD 6.5033 million to repurchase 165,000 shares at a price range of HKD 39.1 to 39.5 per share [1] Group 1 - The company will execute the buyback on November 6, 2025 [1] - The total investment for the share repurchase is approximately HKD 6.5 million [1] - The number of shares to be repurchased is 165,000 [1]