智通财经APP讯，至纯科技(603690.SH)公告，公司控股股东蒋渊女士计划以大宗交易和集中竞价方式 减持其所持有的公司股份不超过600万股，减持数量占公司总股本的比例为1.5640%。控股股东之一陆 龙英女士计划以大宗交易和集中竞价方式减持其所持有的公司股份不超过300万股，减持数量占公司总 股本的比例为0.7820%。 同时，控股股东蒋渊女士及其一致行动人陆龙英女士将共享减持额度，通过集中竞价方式减持公司股份 合计不超过总股本的1%，通过大宗交易方式减持公司股份合计不超过总股本的2%。 ...

Market Overview - The semiconductor sector experienced a decline of 1.67% on September 3, with Youyan New Materials leading the drop [1] - The Shanghai Composite Index closed at 3813.56, down 1.16%, while the Shenzhen Component Index closed at 12472.0, down 0.65% [1] Top Gainers in Semiconductor Sector - Chengdu Huami (688709) saw a significant increase of 14.97%, closing at 56.90 with a trading volume of 380,200 shares and a transaction value of 2.077 billion [1] - Yuanjie Technology (688498) rose by 13.01%, closing at 397.80 with a transaction value of 2.786 billion [1] - Dongwei Semiconductor (688261) increased by 12.28%, closing at 92.18 [1] Top Losers in Semiconductor Sector - Youyan New Materials (600206) fell by 7.82%, closing at 21.91 with a trading volume of 850,100 shares and a transaction value of 1.940 billion [2] - Hanwujing (688256) decreased by 5.07%, closing at 1405.00 with a transaction value of 19.901 billion [2] - Tai Lingwei (688591) dropped by 5.01%, closing at 54.00 [2] Capital Flow Analysis - The semiconductor sector experienced a net outflow of 6.014 billion from institutional investors, while retail investors saw a net inflow of 5.583 billion [2][3] - Major stocks like Tongfu Microelectronics (002156) had a net outflow of 4.02 billion from institutional investors, while retail investors had a net inflow of 2.61 billion [3] Summary of Capital Flows for Selected Stocks - Yuanjie Technology (688498) had a net inflow of 2.99 billion from retail investors, but a net outflow of 2.92 billion from institutional investors [3] - Zhi Chun Technology (603690) saw a net inflow of 2.65 billion from institutional investors, while retail investors had a net outflow of 1.82 billion [3] - Chengdu Huami (688709) had a net inflow of 95.296 million from institutional investors, with retail investors experiencing a net outflow of 15.9334 million [3]

（文章来源：证券日报） 证券日报网讯 9月2日晚间，至纯科技发布公告称，截至2025年8月末，本次已累计回购股份3，202， 480股，占公司总股本的比例为0.83%，购买的最高价为25.85元/股、最低价为23.50元/股，已支付的总 金额为8，002.16万元（不含印花税、佣金等交易费用）。 ...

Core Viewpoint - The semiconductor stocks in the A-share market have shown strong performance, with several companies experiencing significant price increases and notable year-to-date gains [1][2]. Group 1: Stock Performance - Chengdu Huami (688709) reached a 20% increase, with a total market capitalization of 37.8 billion and a year-to-date gain of 92.45% [2]. - Source Technology (688498) saw a rise of 16.48%, with a market cap of 35.2 billion and a year-to-date increase of 205.89% [2]. - Dongxin Co. (688110) increased by 13.54%, with a market value of 59.3 billion and a year-to-date gain of 438.07% [2]. - Zhichun Technology (603690) rose by 9.99%, with a market cap of 11.8 billion and a year-to-date increase of 22.55% [2]. - Changguang Huaxin (688048) experienced an 8.18% increase, with a market cap of 14.5 billion and a year-to-date gain of 111.62% [2]. - Other notable performers include Minxin Co. (688286) with a 6.46% increase, Tianyue Advanced (688234) with a 6% rise, and Tongfu Microelectronics (002156) with a 5.92% increase [1][2]. Group 2: Market Capitalization and Year-to-Date Gains - The total market capitalization of the top semiconductor stocks reflects strong investor interest, with Chengdu Huami leading at 37.8 billion and Source Technology at 35.2 billion [2]. - Year-to-date performance highlights significant growth, particularly for Dongxin Co. with a staggering 438.07% increase, indicating robust market dynamics in the semiconductor sector [2].

Group 1 - The semiconductor stocks in the A-share market have shown strong performance, with several companies hitting their daily price limits or experiencing significant gains [1] - Notable performers include Chengdu Huami, which reached a 20% increase, and Yuanjie Technology, which rose over 16% [1][2] - Other companies such as Dongxin Co., Zhichun Technology, and Jietek also experienced substantial gains, contributing to a positive trend in the semiconductor sector [1][2] Group 2 - Chengdu Huami has a total market capitalization of 37.8 billion, with a year-to-date increase of 92.45% [2] - Yuanjie Technology's market cap stands at 35.2 billion, with an impressive year-to-date increase of 205.89% [2] - Dongxin Co. has a market value of 59.3 billion and a remarkable year-to-date increase of 438.07% [2]

登录新浪财经APP 搜索【信披】查看更多考评等级 证券代码：603690 证券简称：至纯科技 公告编号：2025-079 上海至纯洁净系统科技股份有限公司 关于股份回购进展公告 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： ■ 一、回购股份的基本情况 上海至纯洁净系统科技股份有限公司（以下简称"公司"）于2024年10月28日召开第五届董事会第八次会 议审议通过《关于以集中竞价交易方式回购股份方案的议案》，同意公司使用兴业银行股份有限公司上 海分行提供的专项贷款及自有资金以集中竞价交易方式回购公司已发行的部分人民币普通股股票。回购 的股份将在未来适宜时机全部用于员工持股计划或股权激励，回购价格不超过人民币33.65元/股 （含），回购资金总额不低于人民币8,000万元（含），不超过人民币16,000万元（含），回购期限自公 司董事会审议通过本次回购方案之日起12个月内。具体内容详见公司分别于2024年10月29日、2024年11 月1日在上海证券交易所网站披露的《关于以集中竞价交易方式回购股份方案的公告》（公 ...

为进一步加强与投资者的互动交流，上海至纯洁净系统科技股份有限公司 （以下简称"公司"）将参加由中国证券监督管理委员会上海监管局指导、上海 上市公司协会及深圳市全景网络有限公司联合举办的"2025 年上海辖区上市公 司集体接待日暨中报业绩说明会活动"，现将有关事项公告如下： 本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 （https://rs.p5w.net/html/175611728073329.shtml）；或关注微信公众号（名称： 全景财经）；或下载全景路演 APP，参与本次互动交流。 活动时间为 2025 年 9 月 19 日（周五）15:00-17:00。届时公司高管将在线 就公司 2025 年半年度业绩、公司治理、发展战略、经营状况等投资者关心的问 题，与投资者进行沟通与交流，欢迎广大投资者踊跃参与！ 证券代码：603690 证券简称：至纯科技 公告编号：2025-080 上海至纯洁净系统科技股份有限公司 关于参加 2025 年上海辖区上市公司集体接待日 暨中报业绩说明会活动的公告 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 ...

格隆汇9月2日丨至纯科技(603690.SH)公布，截至2025年8月末，本次已累计回购股份3,202,480股，占公 司总股本的比例为0.83%，购买的最高价为25.85元/股、最低价为23.50元/股，已支付的总金额为 8,002.16万元（不含印花税、佣金等交易费用）。 ...

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： | 回购方案首次披露日 | 2024/10/29 | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 回购方案实施期限 | 2024 年 28 10 | 10 | 月 | 日~2025 | 年 | 月 | 27 | 日 | | 预计回购金额 | 8,000万元~16,000万元 | | | | | | | | | 回购用途 | □减少注册资本 √用于员工持股计划或股权激励 □用于转换公司可转债 | | | | | | | | | 累计已回购股数 | □为维护公司价值及股东权益 3,202,480股 | | | | | | | | | 累计已回购股数占总股本比例 | 0.83% | | | | | | | | | 累计已回购金额 | 8,002.16万元 | | | | | | | | | 实际回购价格区间 | 23.50元/股~25.85元/股 | | | | | | ...

格隆汇9月2日丨至纯科技(603690.SH)公布，截至2025年8月末，本次已累计回购股份3,202,480股，占公 司总股本的比例为0.83%，购买的最高价为25.85元/股、最低价为23.50元/股，已支付的总金额为 8,002.16万元（不含印花税、佣金等交易费用）。 ...