证券代码：688807 证券简称：优迅股份 公告编号：2025-004 厦门优迅芯片股份有限公司 关于使用募集资金置换募投项目预先投入的自筹资金及已 支付发行费用的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 重要内容提示： 厦门优迅芯片股份有限公司（以下简称"公司"）于 2025 年 12 月 28 日召开 第一届董事会第十五次会议，审议通过了《关于使用募集资金置换募投项目预先 投入的自筹资金及已支付发行费用的议案》，同意公司使用募集资金置换预先投 入募投项目的自筹资金和预先支付的发行费用合计人民币 9,068.01 万元。公司本 次募集资金置换时间距募集资金到账时间未超过 6 个月，符合相关法律法规的要 求及发行申请文件的相关内容。 一、募集资金的基本情况 在募集资金到位前，为保障募投项目的如期推进，公司先行以自筹资金投入 募投项目。截至 2025 年 12 月 12 日 ， 公司以自筹资金预先投入募集资金投资项 目的实际投资金额及拟置换情况具体如下： 根据中国证券监督管理委员会出具的《关于同意厦门优迅芯片股份 ...

证券代码：688807 证券简称：优迅股份 公告编号：2025-007 厦门优迅芯片股份有限公司 关于使用部分自有资金进行现金管理和委托理财 的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 基本情况 | 投资金额 | 不超过 60,000 万元（含本数） | | --- | --- | | 投资种类 | 投资于安全性高、流动性较好的中低风险理财产品， 包括但不限于协定存款、七天通知存款、结构性存款、 | | | 大额存单、收益凭证、债券投资、货币市场基金投资、 | | | 委托理财等产品 | | 资金来源 | 自有资金 | 特别风险提示 公司将选择安全性高、流动性好、中低风险的理财产品，但金融市 场受宏观经济的影响较大，公司将根据经济形势以及金融市场的变化适 时适量地介入，但不排除该项投资受到市场风险、政策风险、流动性风 险、不可抗力风险等风险因素影响，因此实际上无法实现预期收益的可 能。 1 一、投资情况概述 （一）投资目的 为进一步提高公司闲置自有资金使用效率，在不影响公司主营业务的正 常发展并确保 ...

厦门优迅芯片股份有限公司 证券代码：688807 证券简称：优迅股份 公告编号：2025-003 公司（含子公司）已根据相关法律法规、规范性文件的规定与保荐人及存放 募集资金的商业银行签署了募集资金监管协议，对募集资金采取专户储存管理。 二、募集资金投资项目基本情况 1 关于使用自有资金支付募投项目部分款项并以募集资金等 额置换的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 厦门优迅芯片股份有限公司（以下简称"公司"）于 2025 年 12 月 28 日召开 第一届董事会第十五次会议，审议通过了《关于使用自有资金支付募投项目部分 款项并以募集资金等额置换的议案》，同意公司及实施募投项目的子公司在募投 项目实施过程中存在使用自有资金支付募投项目部分款项，后续再由募集资金专 户等额置换划转资金至公司及实施募投项目的子公司基本存款账户或一般存款 账户进行置换，该部分等额置换资金视同募投项目使用资金。符合《上市公司募 集资金监管规则》《上海证券交易所科创板上市公司自律监管指引第 1 号——规 范运作》等法律法规、规范性文件 ...

本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 重要内容提示： 本事项无需提交公司股东会审议。 日常性关联交易对上市公司的影响：公司与关联方交易遵循公平、公正、 公开、自愿、合理的原则，依据市场价格定价、交易；公司与关联方交易系公司 日常运营所需，不存在损害公司和全体股东利益特别是中小股东利益的情形；公 司及关联方在业务、人员、资产、机构、财务等方面保持独立，不会对公司的独 立性构成影响，公司的主要业务也不会因此类交易而对关联方形成依赖。 一、日常性关联交易基本情况 证券代码：688807 证券简称：优迅股份 公告编号：2025-002 （一）日常性关联交易履行的审议程序 厦门优迅芯片股份有限公司 2025 年 12 月 26 日，厦门优迅芯片股份有限公司（以下简称"公司"）召开 第一届董事会第二次独立董事专门会议，审议通过了《关于预计 2026 年度日常 性关联交易的议案》。独立董事认为：公司 2026 年度拟发生的关联交易符合公司 经营需要，交易价格公允，不会对公司独立性及规范运作产生不利影响，不存在 损害股东特别是中 ...

证券代码：688807 证券简称：优迅股份 公告编号：2025-008 2026年第一次临时股东会 召开日期时间：2026 年 1 月 16 日 14 点 00 分 厦门优迅芯片股份有限公司 关于召开2026年第一次临时股东会的通知 本公司董事会及全体董事保证公告内容不存在任何虚假记载、误导性陈述或 者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 重要内容提示： 一、 召开会议的基本情况 （一） 股东会类型和届次 召开地点：厦门市软件园观日路 52 号 402 公司会议室 （五） 网络投票的系统、起止日期和投票时间。 网络投票系统：上海证券交易所股东会网络投票系统 网络投票起止时间：自2026 年 1 月 16 日 至2026 年 1 月 16 日 采用上海证券交易所网络投票系统，通过交易系统投票平台的投票时间为股 东会召开当日的交易时间段，即 9:15-9:25，9:30-11:30，13:00-15:00；通过 股东会召开日期：2026年1月16日 本次股东会采用的网络投票系统：上海证券交易所股东会网络投票系统 （二） 股东会召集人：董事会 （三） 投票方式：本次股东会所采用的表决方式是 ...

证券代码：688807 证券简称：优迅股份 公告编号：2025-001 本议案尚需提交公司股东会审议。 具体内容详见公司在上海证券交易所网站（www.sse.com.cn）披露的《关于 变更公司注册资本、公司类型、修订<公司章程>并办理工商变更登记的公告》。 二、审议通过《关于制订股东会网络投票实施细则的议案》 （以上议案同意票 9 票、反对票 0 票、弃权票 0 票） 厦门优迅芯片股份有限公司 第一届董事会第十五次会议决议公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 厦门优迅芯片股份有限公司（以下简称"公司"或"优迅股份"）第一届董事 会第十五次会议（以下简称"本次会议"）通知于 2025 年 12 月 24 日以邮件方式 发出。本次会议于 2025 年 12 月 28 日以现场与通讯相结合的方式在公司会议室 召开。本次会议应参加董事 9 名，实际参加董事 9 名，公司高级管理人员列席了 会议。本次会议的召集和召开符合《公司法》和《公司章程》的有关规定。本次 会议由公司董事长柯炳粦先生主持。 经与会董事审议，会议 ...

Market Overview - As of December 29, the Shanghai Composite Index closed at 3965.28 points, up by 1.60 points, with a change of 0.04% [1] - The Shenzhen Component Index closed at 13537.10 points, down by 66.80 points, with a change of -0.49% [1] - The ChiNext Index closed at 3222.61 points, down by 21.26 points, with a change of -0.66% [1] High Turnover Stocks - A total of 97 A-shares had a turnover rate exceeding 20% on December 29 [1] - Notable stocks with high turnover rates include: - Nanbaichuan (301667) with a turnover rate of 64.26% and a closing price of 90.80 yuan, up by 10.87% [1] - Tiansuo Measurement (301449) with a turnover rate of 60.69% and a closing price of 104.21 yuan, down by 9.11% [1] - Dapeng Industrial (920091) with a turnover rate of 52.23% and a closing price of 88.60 yuan, up by 14.35% [1] Additional High Turnover Stocks - Other notable stocks with significant turnover rates include: - Beikang Testing (920160) at 46.74% turnover, closing at 28.01 yuan, down by 3.31% [1] - Hualing Cable (001208) at 45.69% turnover, closing at 22.16 yuan, down by 7.12% [1] - Tongyu Communication (002792) at 44.72% turnover, closing at 42.48 yuan, up by 1.14% [1] Summary of Turnover Rates - The report includes a detailed list of stocks with their respective turnover rates, closing prices, and percentage changes, indicating active trading and potential investor interest in these companies [1][2][3][4]

Market Overview - The Sci-Tech Innovation 50 Index decreased by 0.23%, closing at 1349.06 points, with a total trading volume of 3.991 billion shares and a turnover of 195.251 billion yuan, resulting in a weighted average turnover rate of 2.05% [1] - Among the tradable stocks on the Sci-Tech Innovation Board, 439 stocks closed higher, with 15 stocks rising over 10% and 38 stocks rising between 5% and 10%. Conversely, 152 stocks closed lower [1] Turnover Rate Analysis - The turnover rate distribution shows that 6 stocks had a turnover rate exceeding 20%, 20 stocks had a turnover rate between 10% and 20%, and 52 stocks had a turnover rate between 5% and 10% [1] - The stock with the highest turnover rate was C Jianxin, a new stock listed for 5 days, which fell by 8.28% with a turnover rate of 45.09% and a daily trading volume of 755 million yuan, attracting a net inflow of 44.6355 million yuan [1] - Another new stock, Youxun Co., experienced a decline of 6.43% with a turnover rate of 37.75% and a daily trading volume of 1.27 billion yuan, resulting in a net outflow of 211 million yuan [1] Sector Performance - Among the stocks with a turnover rate exceeding 5%, the electronics sector had the highest representation with 26 stocks, followed by machinery equipment and national defense industries with 11 and 10 stocks, respectively [2] - The top gainers in the high turnover category included Gaohua Technology, Zhenlei Technology, and Fudan Microelectronics, with increases of 18.90%, 16.90%, and 16.21%, respectively [2] Capital Flow Insights - In terms of capital flow, 38 stocks in the high turnover category saw net inflows, with Zhenlei Technology, Changguang Huaxin, and Tengjing Technology receiving the most significant net inflows of 482 million yuan, 459 million yuan, and 202 million yuan, respectively [2] - Conversely, stocks with the highest net outflows included Moer Thread, Youxun Co., and Huafeng Technology, with outflows of 415 million yuan, 211 million yuan, and 114 million yuan, respectively [2] Leverage Fund Movements - A total of 59 stocks in the high turnover category received net purchases from leveraged funds, with Youxun Co., Muxi Co., and Bolite receiving the most significant increases in financing balance of 486 million yuan, 283 million yuan, and 221 million yuan, respectively [3] - Stocks that saw a decrease in financing balance included Zhenlei Technology, Guoke Military Industry, and Jiayuan Technology, with reductions of 64.484 million yuan, 49.081 million yuan, and 35.392 million yuan, respectively [3]

Market Performance - The semiconductor sector increased by 1.29% on December 24, with C Youxun leading the gains [1] - The Shanghai Composite Index closed at 3940.95, up 0.53%, while the Shenzhen Component Index closed at 13486.42, up 0.88% [1] Top Gainers in Semiconductor Sector - C Youxun (688807) closed at 231.60, up 14.03% with a trading volume of 75,500 shares and a transaction value of 1.682 billion [1] - Huayou Smoke Machine (688535) closed at 117.40, up 12.88% with a trading volume of 107,900 shares and a transaction value of 1.207 billion [1] - SIRUI (688536) closed at 158.00, up 10.10% with a trading volume of 65,400 shares and a transaction value of 1.002 billion [1] - Demingli (001309) closed at 221.00, up 9.13% with a trading volume of 262,900 shares and a transaction value of 5.712 billion [1] Market Capital Flow - The semiconductor sector saw a net inflow of 1.652 billion from institutional investors, while retail investors experienced a net outflow of 132 million [2] - The top stocks with significant net inflows from institutional investors include Demingli with 908 million and Zhaoyi Innovation with 595 million [3] Notable Decliners in Semiconductor Sector - Muxi Co., Ltd. (688802) closed at 620.66, down 7.03% with a trading volume of 46,300 shares and a transaction value of 2.921 billion [2] - Moer Thread (688795) closed at 634.01, down 6.32% with a trading volume of 57,200 shares and a transaction value of 3.668 billion [2] - Helin Micro-Nano (688661) closed at 52.58, down 4.92% with a trading volume of 110,200 shares and a transaction value of 581 million [2]

Market Overview - The A-share market closed with the Shanghai Composite Index up 0.53%, Shenzhen Component Index up 0.88%, and ChiNext Index up 0.77%. The total market turnover was 1,897.2 billion yuan, a decrease of 24.1 billion yuan from the previous day. Over 4,100 stocks in the market rose [2]. Silver Fund Surge - The domestic silver fund, Guotou Silver LOF, experienced a continuous three-day limit-up with a premium of 68.16%. The price of silver has surged by 150.07% year-to-date, leading to significant interest in this fund [5][6]. - The fund's management has issued 12 premium risk warning announcements since December, attempting to cool down the market due to the high premium [6][8]. - Investors are engaging in arbitrage operations, but the LOF's arbitrage mechanism faces multiple restrictions, including strict subscription limits and T+2 transfer processes, which may pose risks [7]. Commercial Aerospace Sector - The commercial aerospace sector saw a significant surge, with multiple stocks hitting the daily limit. Key events include the upcoming 2025 Commercial Aerospace Development Conference and the successful maiden flight of the Long March 12 rocket [10][12][13]. Semiconductor Tariff Delay - The semiconductor sector rose by 1.95%, with several stocks increasing over 10%. The U.S. government announced a delay in the planned tariff increase on Chinese semiconductor products until June 2027, maintaining the current tax rate at 0% [14][18].