证券代码：300570 证券简称：太辰光 公告编号：2025-031 深圳太辰光通信股份有限公司 股份来源：公司首次公开发行前股份（含历次分配转增） | 股东名称 | 减持方式 | 减持时间 | 减持均价 | 减持股数 | 减持股数占总 | | --- | --- | --- | --- | --- | --- | | | | | （元/股） | （万股） | 股本的比例 | | 华暘 | 集中竞价交易 | 2025.6.10~ 2025.9.5 | 101.44 | 227.12 | 1.0000% | | | | 合计 | | 227.12 | 1.0000% | 注：所有数据若合计数与分项数值之和存在差异，系四舍五入所致，下同。 2、减持计划实施前后持有公司股份情况 关于持股 5%以上股东提前终止减持计划的公告 持股 5%以上股东华暘进出口（深圳）有限公司保证向本公司提供的信息披露内容 真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。本公司及董事会全体成 员保证公告内容与信息披露义务人提供的信息一致。 深圳太辰光通信股份有限公司（以下简称"公司"）于2025年5月16日披露了《关 于大股东减持股份 ...

Core Insights - On September 4, 2023, a total of 23 stocks appeared on the Longhu list with the presence of Shenzhen Stock Connect special seats [1] - Among the 48 stocks listed, net purchases were made in stocks such as Xinyi Technology, Tianfu Communication, and Huagong Technology, with net buying amounts of 401.02 million yuan, 282.00 million yuan, and 193.34 million yuan respectively [1][2] - Conversely, net sales were observed in stocks like Yanshan Technology, Hudian Co., and Tongfu Microelectronics, with net selling amounts of 537.98 million yuan, 145.08 million yuan, and 97.98 million yuan respectively [1][2] Summary by Category Net Purchases - Xinyi Technology: 40102.46 million yuan, with a decline of 15.58% and a turnover rate of 11.77% [2] - Tianfu Communication: 28200.48 million yuan, with a decline of 15.42% and a turnover rate of 8.45% [2] - Huagong Technology: 19333.51 million yuan, with a decline of 10.00% and a turnover rate of 10.97% [2] - Other notable net purchases include: - Shanzigaoke: 7838.79 million yuan, -7.06% [2] - Jinlongyu: 7502.04 million yuan, +10.01% [2] - Fuzjing Technology: 6204.47 million yuan, -10.00% [2] Net Sales - Yanshan Technology: -53798.40 million yuan, with a decline of 9.98% and a turnover rate of 24.25% [2] - Hudian Co.: -14507.65 million yuan, with a decline of 10.00% and a turnover rate of 4.52% [2] - Tongfu Microelectronics: -9797.54 million yuan, with a decline of 10.01% and a turnover rate of 13.52% [2] - Other notable net sales include: - Lio Co.: -5161.36 million yuan, -10.00% [2] - Huisheng Ecology: -2614.93 million yuan, -9.83% [2] - Han Zhong Precision: -3801.46 million yuan, -9.95% [2]

Group 1 - F5G concept declined by 4.87%, ranking among the top declines in concept sectors, with companies like Cambridge Technology, Huagong Technology, and Guangxun Technology hitting the limit down [1] - Major funds saw a net outflow of 5.911 billion yuan from the F5G concept sector today, with 29 stocks experiencing net outflows, and 11 stocks seeing outflows exceeding 100 million yuan [2] - The stock with the highest net outflow was Zhongji Xuchuang, with a net outflow of 2.003 billion yuan, followed by Huagong Technology, Taicheng Light, and Cambridge Technology [2] Group 2 - The top gainers in the F5G concept sector included Chuangwei Digital and Meiansen, with increases of 4.56% and 0.67% respectively [3] - The overall market performance showed that the F5G concept was among the sectors with significant losses, alongside sectors like CPO and advanced packaging [2] - The trading volume for Zhongji Xuchuang was 8.49%, indicating a high turnover rate despite the decline [3]

Core Viewpoint - The stock of Taicheng Light (太辰光) experienced a significant decline of 15.39% in a single trading day, with a trading volume of 3.188 billion yuan and a turnover rate of 14.51% [2] Group 1: Trading Activity - The stock's trading activity showed a high volatility with an amplitude of 22.81% [2] - Institutional investors net bought 7.3957 million yuan, while the Shenzhen Stock Connect saw a net purchase of 5.2266 million yuan [2] - The top five trading departments accounted for a total transaction of 478 million yuan, with a net selling of 44.7102 million yuan [2] Group 2: Fund Flow - The stock experienced a net outflow of 4.91 billion yuan in principal funds, with a large single order outflow of 3.84 billion yuan and a big order outflow of 1.06 billion yuan [2] - Over the past five days, the net outflow of principal funds reached 13.81 billion yuan [2] Group 3: Margin Trading Data - As of September 3, the margin trading balance for the stock was 1.673 billion yuan, with a financing balance of 1.668 billion yuan and a securities lending balance of 462.68 million yuan [3] - In the last five days, the financing balance increased by 33.0497 million yuan, representing a growth of 2.02%, while the securities lending balance increased by 7.933 million yuan, a rise of 20.70% [3] Group 4: Specific Trading Information - On September 4, the top buying and selling departments included the Shenzhen Stock Connect, which had a buying amount of 112.3252 million yuan and a selling amount of 107.0986 million yuan [3] - Other notable buying departments included Guojin Securities and several institutional specialized seats, with significant buying amounts [3]

Market Overview - A-shares experienced a collective pullback on September 4, with the Shanghai Composite Index down 1.97% to 3738.32 points, Shenzhen Component Index down 2.37%, ChiNext Index down 3.2%, and the Sci-Tech Innovation 50 Index down 5.38% [1] - The North Exchange 50 Index rose 0.58% against the trend [2] - The micro-cap stock index increased by 1.32% [3] - The total trading volume in the Shanghai and Shenzhen markets reached 1.59 trillion yuan, an increase of 142.7 billion yuan compared to the previous trading day [4] - A total of 2629 stocks rose, 32 stocks hit the daily limit, and 2606 stocks fell [5] New Energy Sector - The new energy sector saw a significant surge, with multiple new energy ETFs performing well and several stocks hitting the daily limit [6] - The power battery index, energy storage index, and lithium battery index rose by 2.65%, 2.32%, and 1.43% respectively [6] - Yiwei Lithium Energy (300014) surged by 6.17% to 67.96 yuan per share, with a market capitalization of 139 billion yuan [6] - Notable performers included Tianhong Lithium Battery, which hit the daily limit, and other companies like Tongrun Equipment and Tianji Technology, which also saw substantial gains [7][8] - Data from the Passenger Car Association indicated that 1.079 million new energy passenger vehicles were sold in August, a year-on-year increase of 5% and a month-on-month increase of 9%, with a penetration rate of 55.3% [9] CPO Concept Stocks - CPO concept stocks, including optical modules and optical chips, experienced a significant decline after a previous surge [11] - The CPO concept sector fell by 10% on September 4, following a 7.04% increase on September 1 [12] - Major stocks like Xinyi Technology, Zhongji Xuchuang, and Tianfu Communication led the decline, each dropping over 11% [13] - The FTSE Russell announced changes to the FTSE China 50 Index and FTSE China A50 Index, including the addition of companies like BeiGene and Xinyi Technology [14] Consumer Sector - The consumer sector showed activity, with the restaurant and tourism sector rising by 2.85% and the retail sector increasing by nearly 2% [15] - Companies such as Lingnan Holdings and Changbai Mountain saw significant gains, with some hitting the daily limit [15] - The Ministry of Culture and Tourism projected that domestic tourism will reach 1.43 billion trips by 2025, recovering to 112% of 2019 levels [15] - A report from Caitong Securities indicated that the restaurant industry is in a recovery phase, with government policies expected to stimulate consumption, particularly in wedding and group dining scenarios [15]

Group 1 - The CPO concept stocks in the A-share market have experienced a significant decline, with several companies seeing drops exceeding 10% [1] - Notable declines include Shijia Photon down 10.69%, Tianfu Communication down 10.05%, and Taicheng Light down 9.71% [2] - Other companies such as Xinyi Sheng, Zhongji Xuchuang, and Tongfu Microelectronics also reported declines ranging from 5% to 9% [1][2] Group 2 - The total market capitalization of Shijia Photon is 33.8 billion, while Tianfu Communication has a market cap of 143.6 billion [2] - Year-to-date performance shows that Shijia Photon has increased by 349.85%, and Tianfu Communication has risen by 184.56% [2] - Companies like Xinyi Sheng and Zhongji Xuchuang have year-to-date increases of 307.30% and 217.84%, respectively [2]

Group 1 - Several companies, including Guangxun Technology, Jingwang Electronics, Xingwang Ruijie, and Cambridge Technology, experienced a limit down in their stock prices [1] - New Yisheng, Tianfu Communication, and Taicheng Light, among others, saw their stock prices drop by over 10% [1]

Group 1 - Dekoli's stock dropped over 14% [1] - Huicheng Vacuum, Tianfu Communication, Dingtong Technology, and Taicheng Light all fell over 11% [1] - Lexin Technology and Oulu Tong experienced declines of over 10% [1]

Group 1 - Dekoli's stock dropped over 13% [1] - Huicheng Vacuum, Tianfu Communication, and Dingtong Technology each fell over 11% [1] - Taicheng Light's stock decreased by over 10% [1] - Lexin Technology and Oulu Tong both experienced declines of over 9% [1]

Group 1 - The CPO concept stocks in the A-share market experienced a significant decline, with major stocks like Dekoli dropping over 14% and Ruijie Network falling over 13% [1] - Other notable declines included Taicheng Light, Tianfu Communication, and Jingwang Electronics, all of which saw drops exceeding 11% [1] - Several stocks hit the 10% daily limit down, including Cambridge Technology and Guangxun Technology, while Kecuan Technology approached the limit down [1] Group 2 - The table lists various stocks with their respective declines, total market capitalization, and year-to-date performance, highlighting Dekoli's market cap at 16.9 billion and a year-to-date increase of 53.07% despite the recent drop of 14.63% [2] - Ruijie Network had a market cap of 72 billion with a year-to-date increase of 77.07%, despite a recent decline of 12.64% [2] - Tianfu Communication, with a market cap of 154.2 billion, experienced a significant drop of 10.73% but has a remarkable year-to-date increase of 205.61% [2]