证券日报网讯 12月16日，希荻微在互动平台回答投资者提问时表示，2024年，公司累计回购股份 2184196股，支付资金总额约2719.45万元，详见公司公告（公告编号：2024-049）。公司将继续践 行"以投资者为本"的理念，持续关注并监控公司股价走势，若公司及高管存在股份回购或增持相关计 划，会严格按照相关法规和监管要求履行信息披露义务。 ...

证券日报网讯 12月8日，希荻微在互动平台回答投资者提问时表示，公司车规和工规模拟集成电路研发 项目的具体应用前景包括数据中心等。公司研发的大电流POL（PointofLoad，负载点）芯片产品和E- Fuses负载开关芯片产品可以为PC和服务器核心处理器供电以及保护系统免受输入瞬变、短路和电压尖 峰等危害，优化电力传输，提升系统可靠性。截至目前，公司已推出10-20A大电流POL芯片，该产品在 正与下游多家客户进行软硬件适配，部分信创客户已进入量产爬坡阶段，更大电流规格的芯片产品也正 在研发与调试过程中，有望为数据中心提供更强大的性能支持；欧美芯片厂商由于成立时间较久，在资 金实力、人才储备以及客户资源积累方面具备一定的先发优势，其所能提供的产品料号也更为丰富，然 而在车规芯片和工规芯片领域，国产化替代已是大势所趋，公司可以提供更贴近中国客户需求的产品规 划定义和技术支持。公司会保持差异化战略，深入了解市场动态，确保产品研发方向与市场需求高度契 合，同时科学统筹调配研发资源，提高研发效率，缩短研发周期，不断推出高效率、高精度、高可靠 性、高性价比的芯片产品，通过丰富产品矩阵和提供优质服务提升公司的竞争力。 ...

Group 1 - The semiconductor sector experienced a significant increase of 2.82% on December 8, with Saiwei Microelectronics leading the gains [1] - The Shanghai Composite Index closed at 3924.08, up 0.54%, while the Shenzhen Component Index closed at 13329.99, up 1.39% [1] - Notable gainers in the semiconductor sector included Saiwei Microelectronics, which rose by 18.82% to a closing price of 101.20, and Changguang Huaxin, which increased by 15.26% to 148.48 [1] Group 2 - The semiconductor sector saw a net inflow of 4.429 billion yuan from institutional funds, while retail investors experienced a net outflow of 2.247 billion yuan [2] - Major stocks that declined included Hangyu Micro, which fell by 2.63% to 17.00, and Hongwei Technology, which decreased by 1.97% to 27.41 [2] - The trading volume for the semiconductor sector was substantial, with Saiwei Microelectronics recording a trading volume of 475,000 shares and a transaction value of 460 million yuan [1][2]

Core Viewpoint - The company is focusing on the development of automotive-grade and industrial-scale integrated circuit projects, with specific applications in data centers [1] Group 1: Product Development - The company has developed high-current Point of Load (POL) chips and E-Fuses load switch chips, which are designed to power core processors in PCs and servers while protecting systems from input transients, short circuits, and voltage spikes [1] - Currently, the company has launched 10-20A high-current POL chips, which are undergoing hardware and software adaptation with several downstream customers [1] - Some customers in the trusted computing sector have entered the ramp-up phase of mass production, and larger current specifications for chip products are under development and testing [1] Group 2: Market Potential - The new chip products are expected to enhance power transmission and improve system reliability, providing stronger performance support for data centers [1]

Core Viewpoint - The major shareholder of Xidi Micro (希荻微) plans to reduce its stake in the company to meet its funding needs, which may impact the stock price but is not expected to affect the company's governance or ongoing operations significantly [1][2]. Group 1: Shareholder Reduction Plan - Chongqing Weichun Enterprise Management Consulting Co., Ltd. intends to reduce its holdings by up to 12,369,421 shares, representing no more than 3.00% of the total share capital, over a period of three months starting 15 trading days after the announcement [1]. - The reduction will occur through centralized bidding and block trading, with a maximum of 4,123,140 shares (1.00% of total shares) through centralized bidding and 8,246,281 shares (2.00% of total shares) through block trading [1]. - The selling price will be determined based on market conditions, and adjustments will be made if there are any corporate actions affecting share capital during the reduction period [1]. Group 2: Historical Shareholding and Reduction Impact - Chongqing Weichun initially held 37,878,100 shares, accounting for 9.23% of the total share capital, and has cumulatively reduced its holdings by 803,120 shares, realizing approximately 10.7 million yuan [2]. - The company went public on January 21, 2022, with an initial public offering (IPO) of 40.01 million shares at a price of 33.57 yuan per share, raising a total of 1.343 billion yuan [3][4]. - The stock price peaked at 51.88 yuan on the first trading day but has since experienced a decline, currently trading below the IPO price [3]. Group 3: Use of IPO Proceeds - The net proceeds from the IPO amounted to 1.221 billion yuan, exceeding the initial plan by 640 million yuan, which was intended for various projects including R&D for power management chips and working capital [4]. - The total issuance costs were 122 million yuan, with underwriting and sponsorship fees accounting for 102 million yuan [4].

Core Viewpoint - The company, Xidiwei, is facing ongoing financial challenges despite significant revenue growth, with major shareholders planning to reduce their stake in the company [1][4]. Group 1: Company Overview - Xidiwei is a leading domestic supplier of power management and signal chain chips, focusing on high-performance analog and mixed-signal chip development, design, and sales [3][6]. - The company has successfully developed a series of high-efficiency, high-precision, and high-reliability products, including DC/DC chips and super-fast charging chips, which have entered the supply chains of major brands like Xiaomi and OPPO [3][6]. Group 2: Financial Performance - Since its listing in 2022, Xidiwei has faced continuous pressure on its performance, with cumulative losses of 360 million yuan from 2022 to 2024, despite a pre-listing net profit of 26 million yuan in 2021 [3][6]. - For the first three quarters of 2025, the company reported revenue of 717 million yuan, a year-on-year increase of 107.81%, while the net profit attributable to shareholders was -76 million yuan, representing a 60.94% reduction in losses compared to the previous year [4][7]. - The company has managed to reduce sales expenses and improve operational efficiency, contributing to a narrowing of losses as the market environment stabilizes [4][7].

Core Viewpoint - The company, Xidiwei, is facing significant financial challenges post-IPO, with increasing losses despite revenue growth in recent quarters [5] Group 1: Shareholder Actions - A major shareholder, Chongqing Weichun Enterprise Management Consulting Co., Ltd., plans to reduce its stake in the company by up to 12.3694 million shares, representing no more than 3.00% of the total share capital [1] Group 2: Company Overview - Xidiwei is a leading domestic supplier of power management and signal chain chips, focusing on high-performance analog and mixed-signal chips, providing advanced solutions for clients [4] - The company has developed a range of efficient and reliable products, including DC/DC chips and super-fast charging chips, which have been integrated into the supply chains of major brands like Xiaomi and Audi [4] Group 3: Financial Performance - Since its IPO, the company has experienced continuous pressure on its performance, with cumulative losses of 360 million yuan from 2022 to 2024, despite a profit of 26 million yuan before going public in 2021 [5] - For the first three quarters of 2025, the company reported revenue of 717 million yuan, a year-on-year increase of 107.81%, while reducing losses by 60.94% compared to the previous year [5] - The improvement in financial performance is attributed to better expense management and operational efficiency, alongside a stabilization in market conditions that reduced inventory impairment risks [5]

Group 1: Major Transactions - Bohai Chemical is planning to sell 100% equity of Tianjin Bohai Petrochemical and acquire control of Anhui Taida New Materials through a combination of share issuance and cash payment, leading to a significant asset restructuring [1] - Zhongneng Electric is set to acquire 65% equity and debt from three companies, which may constitute a major asset restructuring but will not involve share issuance or change in control [4] - Hai Tai Development has decided to terminate the acquisition of controlling interest in Zhixueyun Technology due to disagreements on key terms, ensuring no adverse impact on normal business operations [5] Group 2: Performance Updates - Wen's shares reported a sales revenue of 3.324 billion yuan from meat chickens in November, marking a year-on-year increase of 10.18% [6] - Shuguang shares saw a 71.07% year-on-year increase in vehicle sales, totaling 207 units in November [6] - Muyuan shares experienced a decline in sales revenue from commodity pigs, reporting 9.39 billion yuan, a decrease of 20.43% year-on-year [6] - Pengding Holdings reported a 5.58% year-on-year decrease in consolidated revenue for November [6] Group 3: Industry Developments - Xiangxi Dairy reported a 6.3% month-on-month increase in fresh milk production in November, although it saw a year-on-year decline of 6.47% [7] - Baisheng Intelligent plans to acquire 51% equity in Zhongke Shengu, which focuses on the research and application of core technologies for embodied intelligent robots [7]

Core Viewpoint - Chongqing Weichun, a shareholder of Xidi Micro, plans to reduce its holdings by up to 12,369,421 shares, representing no more than 3.00% of the company's total share capital, between December 29, 2025, and March 28, 2026 [1] Summary by Category - **Share Reduction Details** - The reduction will occur through centralized bidding and block trading methods [1] - Up to 4,123,140 shares will be sold via centralized bidding, accounting for no more than 1.00% of the total share capital [1] - Up to 8,246,281 shares will be sold through block trading, representing no more than 2.00% of the total share capital [1]

Summary of Key Points Core Viewpoint - On December 5, a total of 21 listed companies disclosed share reduction situations, while Meilixin announced plans for share buybacks ranging from 50 million to 100 million yuan [1][3]. Group 1: Share Buybacks - Meilixin's controlling shareholder plans to buy back shares worth between 50 million and 100 million yuan [2][4]. Group 2: Share Reductions - Several companies announced share reductions, including: - Saiwei Electronics: Directors and executives plan to reduce holdings by up to 152,200 shares [2][4]. - Tianci Materials: Directors and senior management plan to reduce holdings by up to 924,000 shares [2][4]. - Oujing Technology: Shareholder Wanzhao Huigu plans to reduce holdings by up to 3% [2][4]. - Yue Wannianqing: Hehe Investment reduced holdings by 2,183,900 shares from December 3 to 4 [2][4]. - New Media Shares: Shareholder Hengqin Hongtu Rongyao plans to reduce holdings by up to 0.11% [2][4]. - Others include Sai Lisi, Quanxin Hao, Mingxin Xuteng, Dongxing Medical, Aiyu Shares, and more, with various percentages and share counts disclosed [2][4].