Group 1 - The usage quantity of optical isolators varies based on customer design specifications and requirements [1] - The company acts as an upstream component supplier, producing and supplying based on customer orders [1] - The company does not manufacture Faraday rotation plates but procures them for the production of optical isolators [1]

Group 1 - The usage quantity of optical isolators varies based on customer design specifications and requirements [1] - The company acts as an upstream component supplier, producing and supplying based on customer orders [1] - The company does not manufacture Faraday rotation plates but procures them for the production of optical isolators [1]

Group 1 - The company, Dongtian Micro, maintains good cooperative relationships with numerous clients, but specific client and product application information cannot be disclosed due to confidentiality agreements [2] - The company adheres strictly to legal regulations and disclosure requirements, committing to timely announcements for any significant business collaborations that need to be disclosed [2]

New Stock Issuance - Fushun Special Steel (600399) has a tender offer period from August 12, 2025, to September 10, 2025[1] - KaiPu Cloud (688228) reported severe abnormal fluctuations on August 30, 2025[1] - Xinhua Jin (600735) announced on August 30, 2025, regarding its stock activities[1] Trading Alerts - JiShi Media (601929) issued a notice on August 30, 2025, regarding trading activities[1] - XianDao Intelligent (300450) and DeChuang Environmental (603177) both reported updates on September 2, 2025[1] - Huahai Pharmaceutical (600521) and *ST HuiCheng (002168) also provided trading updates on September 2, 2025[1] Abnormal Fluctuations - Several companies, including Changjiang Materials (001296) and WanBangDe (002082), reported abnormal fluctuations on August 28, 2025[3] - Longjing Technology (301396) and Jinli Yongci (300748) also noted significant trading irregularities on August 27, 2025[3] - The report includes multiple links to announcements regarding trading activities and fluctuations for various companies[3]

New Stock Issuance - New stock issuance for AiFenda (301575) is priced at 27.69 RMB, effective from September 1, 2025[1] - Fushun Special Steel (600399) is undergoing a tender offer from August 12 to September 10, 2025[1] - KaiPu Cloud (688228) has a recent announcement regarding its stock[1] Market Alerts - Significant abnormal fluctuations reported for Siquan New Materials (301489) on August 22, 2025[1] - New announcements for various stocks including Xinhua Jin (600735) and Jishi Media (601929) on August 30, 2025[1] - Multiple stocks including ST Guohua (000004) and ST Huayang (603825) have recent updates as of August 29, 2025[1] Trading Insights - The report includes links to detailed announcements for stocks experiencing significant market activity, such as ST Zhongji (000972) and ST Yilanzhong (300096)[1] - The document highlights the importance of monitoring stock performance and related announcements for investment decisions[1]

Group 1 - The core viewpoint of the news is that Dongtianwei's stock has shown a slight increase, with a current price of 116.34 yuan per share and a market capitalization of 9.307 billion yuan [1] - Dongtianwei, established on July 24, 2009, specializes in the research, production, and sales of precision optical film components, with main revenue sources being imaging optical components (66.83%), communication optical components (28.71%), and other income (4.46%) [1] - The company has a trading volume of 1.088 billion yuan and a turnover rate of 16.78% [1] Group 2 - Among the top ten circulating shareholders of Dongtianwei, Huaxia Fund's Huaxia Industry Prosperity Mixed Fund (003567) reduced its holdings by 264,500 shares in the second quarter, now holding 1.4991 million shares, which is 2.56% of the circulating shares [2] - The Huaxia Industry Prosperity Mixed Fund has achieved a year-to-date return of 43.74% and a one-year return of 89.23%, ranking 994 out of 8,254 and 571 out of 8,037 respectively [2] - The fund manager, Zhong Shuai, has a tenure of 5 years and 37 days, with the best fund return during this period being 157.9% [3]

New Stock Offerings - Fushun Special Steel (600399) has a tender offer period from August 12, 2025, to September 10, 2025[1] - Dongxin Co., Ltd. (688110) reported severe abnormal fluctuations on August 16, 2025[1] - Broadcom Integrated (603068) announced abnormal fluctuations on August 29, 2025[1] Market Alerts - ST Guohua (000004) and ST Gohong (000851) both reported abnormal fluctuations on August 29, 2025[1] - ST Huayang (603825) and ST Zhongji (000972) also indicated abnormal fluctuations on August 29, 2025[1] - ST Yanzhen (603389) reported abnormal fluctuations on August 26, 2025[1] Company Announcements - Zhaoxin Technology (603377) announced abnormal fluctuations on August 27, 2025[1] - Longyang Electronics (301396) reported significant fluctuations on August 28, 2025[1] - ST Dongshi (603377) indicated abnormal fluctuations on August 22, 2025[1]

Core Viewpoint - Dongtianwei (301183) announced on August 28 that its stock experienced abnormal trading fluctuations, with a cumulative closing price increase exceeding 30% over two consecutive trading days [1] Summary by Relevant Sections - **Stock Performance** - The stock price of Dongtianwei increased by more than 30% cumulatively on August 27 and August 28, indicating significant trading activity [1] - **Company Response** - Dongtianwei conducted an investigation regarding the abnormal stock fluctuations and found no undisclosed significant information in public media that could have impacted the stock price [1] - **Operational Status** - The company stated that there have been no major changes in its recent operational conditions or external business environment [1] - **Investor Advisory** - Dongtianwei urged investors to make rational investment decisions and to be aware of investment risks [1]

Group 1 - The core viewpoint of the news highlights the significant increase in the stock price of Dongtian Micro, which rose by 15.38% on August 28, with a trading volume of 1.953 billion yuan [1] - As of August 28, Dongtian Micro's financing balance reached 342 million yuan, accounting for 3.85% of its market capitalization, indicating a high level of financing activity compared to the past year [1] - The company reported a revenue of 376 million yuan for the first half of 2025, representing a year-on-year growth of 42.29%, and a net profit of 50.684 million yuan, which is a 107.35% increase year-on-year [2] Group 2 - Dongtian Micro has distributed a total of 20 million yuan in dividends since its A-share listing [3] - As of June 30, 2025, the number of shareholders for Dongtian Micro decreased by 13.26% to 19,000, while the average circulating shares per person increased by 15.29% to 3,083 shares [2] - Among the top ten circulating shareholders, Huaxia Industry Prosperity Mixed Fund reduced its holdings by 26.45 million shares, while another fund, Bosera Value Selection, exited the top ten list [3]

（编辑 李家琪） 证券日报网讯 8月28日晚间，东田微发布公告称，公司股票于2025年8月27日、8月28日连续两个交易日 收盘价格涨幅偏离值累计超过30%，属于股票异常波动情形。经核查，公司前期披露信息不存在需要更 正、补充之处；未发现近期公共传媒报道可能或已经对公司股票交易价格产生较大影响的未公开重大信 息；近期公司经营情况及内外部经营环境未发生重大变化；公司、控股股东和实际控制人不存在应披露 而未披露的重大事项；控股股东、实际控制人在股票异动期间不存在买卖公司股票的行为。 ...