Market Performance - The Shanghai Composite Index closed at 3870.28 points, up 1.19%, with a trading volume of 766.8 billion yuan [1] - The Shenzhen Component Index closed at 13224.51 points, up 2.4%, with a trading volume of 1044.325 billion yuan [1] - The ChiNext Index closed at 3175.91 points, up 3.39%, with a trading volume of 495.114 billion yuan [1] - The STAR Market 50 Index closed at 1325.33 points, up 2.47%, with a trading volume of 50.2 billion yuan [1] - The total trading volume of both markets reached 1811.125 billion yuan, an increase of 86.946 billion yuan compared to the previous trading day [1] Sector Performance - Strong performance was noted in sectors such as telecommunications, non-ferrous metals, insurance, precious metals, electronics, chemicals, power equipment, and media [2] - Concepts like CPO, lithium mining, optical communication modules, liquid cooling, copper cable high-speed connections, fluorine chemicals, PCB, and composite current collectors showed active trends [2] - The agriculture, defense, and liquor sectors experienced declines, with weaker trends in concepts like space stations, satellite internet, duty-free, rental sales, and grain [2] Fund Flow - The net outflow of main funds in the Shanghai and Shenzhen markets was 6.73 billion yuan [3] - The ChiNext saw a net outflow of 4.067 billion yuan, while the CSI 300 index experienced a net outflow of 5.145 billion yuan [4] - The telecommunications sector had the highest net inflow of main funds, amounting to 4.529 billion yuan, followed by non-ferrous metals, electronics, and power equipment [4] Individual Stock Performance - A total of 2117 stocks saw net inflows of main funds, with 93 stocks receiving over 100 million yuan in net inflows [5] - The stock with the highest net inflow was Zhongji Xuchuang, with 1.426 billion yuan, followed by Xinyi Sheng, Shenghong Technology, Tianfu Communication, and others [6] - Conversely, 3043 stocks experienced net outflows, with 75 stocks seeing over 100 million yuan in net outflows [7] - The stock with the highest net outflow was Pingtan Development, with 1.459 billion yuan, followed by Yonghui Supermarket, Aerospace Development, and others [8] Institutional Activity - Institutional seats had a net buy of approximately 471 million yuan, with 16 stocks being net bought and 11 stocks being net sold [9] - The stock with the highest net buy from institutions was Juguang Technology, with about 291 million yuan [10] - The stock with the highest net sell was Yingweike, with approximately 22 million yuan, followed by Xue Ren Group, Guangxun Technology, and others [11]

Core Viewpoint - Tongyu Communication experienced a significant drop in stock price, reaching the daily limit down with a turnover rate of 44.27% and a trading volume of 4.879 billion yuan, indicating high volatility and investor activity [2] Trading Activity - The stock was listed on the Shenzhen Stock Exchange's "Dragon and Tiger List" due to a daily turnover rate of 44.27% and a daily decline of 11.68% [2] - Institutional investors net bought 94.9151 million yuan, while the Northbound trading saw a net purchase of 1.3118 million yuan, contrasting with a total net sell of 127 million yuan from brokerage seats [2] - The top five brokerage seats accounted for a total transaction volume of 9.58 billion yuan, with a net sell of 31.2107 million yuan [2] Fund Flow - The stock saw a net outflow of 666 million yuan from major funds today, with large orders contributing to a net outflow of 473 million yuan [3] - Over the past five days, the stock experienced a net inflow of 219 million yuan [3] - The latest margin trading data shows a total margin balance of 1.155 billion yuan, with a financing balance of 1.155 billion yuan and a securities lending balance of 890,800 yuan [3] Recent Performance - In the past six months, the stock has appeared on the "Dragon and Tiger List" 10 times, with an average price increase of 3.42% the day after being listed and an average increase of 7.58% over the following five days [3]

Core Viewpoint - The company has successfully completed the sale of an idle factory and corresponding land use rights for a total price of 31.88 million yuan, with all procedures finalized and payment received [1] Group 1 - The company held its fourth extraordinary general meeting of 2025 on November 20, 2025, where the sale agreement with Zhongshan Meiteng Machinery Equipment Co., Ltd. was approved [1] - The transaction involved the sale of an idle factory located at No. 11, Torch Road, Torch Development Zone, Zhongshan City [1] - The total transaction price for the sale was 31.88 million yuan, and the company has completed all necessary property transfer procedures [1]

证券代码：002792 证券简称：通宇通讯 公告编号：2025-083 广东通宇通讯股份有限公司 二、交易进展情况 截至本公告披露日，上述厂房和土地使用权的产权变更手续已办理完成，公 司已收到交易对方支付的全部价款3,188.00万元，公司出售上述厂房和土地使用 权事项已经全部完成。 三、备查文件 （1）完成过户的证明文件、银行回执。 特此公告。 广东通宇通讯股份有限公司董事会 二〇二五年十二月十八日 关于出售部分闲置厂房及土地使用权的进展公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 一、交易概述 广东通宇通讯股份有限公司（以下简称"通宇通讯"或"公司"）于 2025 年 9 月 26 日召开第五届董事会第二十七次会议，并于 2025 年 11 月 20 日召开 2025 年第四次临时股东会，审议通过《关于拟出售部分闲置厂房及土地使用权 的议案》，同意公司与中山市镁滕机械设备有限公司签署《不动产转让合同》， 将位于中山市火炬开发区火炬路 7 号之 11 号的闲置老厂房及对应的土地使用权 进行出售，交易价格为 3,188.00 万元。具体内容详见公司分别 ...

Core Viewpoint - The stock prices of Tongguang Cable have dropped over 10%, while Sichuan Jinding, Zhongchao Holdings, and Longzhou Co. have hit the daily limit down, with Tongyu Communication and Aerospace Changfeng also experiencing declines [1] Group 1 - Tongguang Cable's stock has seen a significant decline of over 10% [1] - Sichuan Jinding, Zhongchao Holdings, and Longzhou Co. have reached their daily limit down, indicating severe market reactions [1] - Other companies such as Tongyu Communication and Aerospace Changfeng are also following the downward trend in stock prices [1]

Core Insights - A-shares experienced significant adjustments on December 16, with the retail sector, represented by major consumer stocks, continuing to rebound, and smart driving concept stocks surging [1][3] Group 1: Retail Sector - Yonghui Supermarket's rise is attributed to its transformation efforts amid operational challenges and favorable policies, including the implementation of the "Fat Donglai" model and quality retail strategies [3] - Baida Group's attention is driven by policy support and internal positive signals, such as the early termination of shareholding reduction plans and actual controller's share increase, leading to four consecutive trading days of gains [4] Group 2: Aerospace and Technology - Aerospace Electronics gained focus due to the booming commercial aerospace industry, with external factors like SpaceX's IPO plans and internal advantages as a leading platform under China Aerospace Science and Technology Corporation [3] - Aerospace Development's rise is linked to industry benefits and internal reforms, participating in low-orbit satellite projects and benefiting from national strategic support [4] Group 3: Smart Driving and Automotive - Beiqi Blue Valley's listing is primarily driven by the active smart driving sector and improved company performance, with a significant year-on-year sales increase of approximately 69.05% in the first three quarters [5] - Aerospace Information's entry into the hot list is due to its involvement in electronic ID and vocational education concepts, gaining attention from the market [5] Group 4: Policy and Market Environment - Pingtan Development's rise is supported by favorable policies and market conditions, being positioned as a core topic for cross-strait integration due to its strategic location [6] - Tongyu Communication, Hualing Cable, and Dongbai Group's performance is characterized by multiple thematic effects, with each company benefiting from various emerging fields and favorable market conditions [6]

（文章来源：证券日报） 证券日报网讯 12月16日晚间，通宇通讯发布公告称，公司股票交易价格连续两个交易日内（2025年12 月15日、2025年12月16日）收盘价格涨幅偏离值累计超过20%，属于股票交易异常波动。 ...

Core Viewpoint - Tongyu Communication announced that its stock price experienced an abnormal fluctuation, with a cumulative closing price increase exceeding 20% over two consecutive trading days on December 15 and December 16, 2025 [2][5]. Summary by Relevant Sections - **Stock Price Movement** - The company's stock price showed a cumulative increase of over 20% in closing prices over two consecutive trading days [2][5]. - **Operational Status** - The company confirmed that its recent operational status is normal, and there have been no significant changes in the internal and external operating environment [2][5]. - **Disclosure of Major Events** - The company, its controlling shareholders, and actual controllers have no undisclosed major events related to the company, nor are there any major events in the planning stage [2][5].

Strong Individual Stocks - As of December 16, the Shanghai Composite Index fell by 1.11% to 3824.81 points, the Shenzhen Component Index decreased by 1.51% to 12914.67 points, and the ChiNext Index dropped by 2.1% to 3071.76 points. A total of 44 stocks in the A-share market hit the daily limit up [1] - The top three strong stocks based on consecutive limit-up days and trading data are: Hualing Cable (001208) with 4 consecutive limit-ups, Sun Cable (002300) with 3 consecutive limit-ups, and Tongyu Communication (002792) with 2 consecutive limit-ups [1] - Detailed data for the top 10 strong stocks includes: - Hualing Cable (001208): 4 consecutive limit-ups, turnover rate of 27.33%, and a closing price of 14.0 - Sun Cable (002300): 3 consecutive limit-ups, turnover rate of 31.91%, and a closing price of 28.9 - Tongyu Communication (002792): 2 consecutive limit-ups, turnover rate of 15.09%, and a closing price of 17.7 [1] Strong Concept Sectors - The top three concept sectors with the highest gains are: Duty-Free Shops with a gain of 1.44%, Ride-Hailing with a gain of 0.89%, and Pre-made Dishes with a gain of 0.56% [2][3] - The detailed performance of the top 10 concept sectors includes: - Duty-Free Shops: +1.44% - Ride-Hailing: +0.89% - Pre-made Dishes: +0.56% - Digital Currency: +0.47% - Dairy Industry: +0.45% - Mobile Payment: +0.26% - ETC: +0.21% - China Shipbuilding System: +0.15% - Unmanned Retail: +0.02% - Unmanned Driving: -0.03% [3]

Market Overview - The Shanghai Composite Index fell by 1.11% on December 16, with only three sectors rising, namely retail, beauty care, and social services, which increased by 1.32%, 0.66%, and 0.13% respectively. The communication and non-ferrous metals sectors experienced the largest declines, with drops of 2.95% and 2.81% respectively, placing the communication sector at the top of the decline list [1]. Communication Sector Performance - The communication sector saw a decline of 2.95%, with a net outflow of 7.682 billion yuan in main capital throughout the day. Out of 124 stocks in this sector, 26 rose, including three that hit the daily limit, while 97 fell, with three hitting the lower limit [1]. - Among the stocks with net inflows, five exceeded 100 million yuan, with Hengbao Co., Ltd. leading at a net inflow of 682 million yuan, followed by Tongyu Communication and Datang Telecom with net inflows of 281 million yuan and 269 million yuan respectively [1]. Top Gainers in Communication Sector - The top gainers in the communication sector included: - Hengbao Co., Ltd. with a gain of 9.98% and a turnover rate of 19.25%, attracting 681.86 million yuan in main capital [1]. - Tongyu Communication and Datang Telecom both increased by 10.00%, with turnover rates of 15.09% and 4.33% respectively, attracting 281.06 million yuan and 269.36 million yuan in main capital [1]. Top Losers in Communication Sector - The top losers in the communication sector included: - Zhongji Xuchuang, which fell by 3.34% with a net outflow of 1.5177 billion yuan [2]. - Xinyi Sheng, which decreased by 4.59% with a net outflow of 1.4089 billion yuan [2]. - Changxin Bochuang, which dropped by 7.21% with a net outflow of 533.24 million yuan [2]. Additional Notable Declines - Other significant declines included: - ZTE Corporation, down by 2.90% with a net outflow of 469 million yuan [3]. - Yongding Co., Ltd., which fell by 6.01% with a net outflow of 412.47 million yuan [3]. - Shida Group, which experienced a sharp decline of 9.91% with a net outflow of 386.97 million yuan [3].