Core Viewpoint - On December 3, the Shanghai Composite Index fell by 0.51%, with institutional investors appearing on the trading lists of 26 stocks, net buying 9 and net selling 17 [1][2]. Institutional Trading Summary - Institutional specialized seats net bought the most in Sifangda, which closed up by 15.37% with a turnover rate of 30.53% and a transaction amount of 1.998 billion [2][5]. - Aerospace Development closed up by 5.20% with a turnover rate of 46.99% and a transaction amount of 12.469 billion, with net buying of 38.97 million from institutional seats [2][5]. - Tongyu Communication closed down by 2.54% with a turnover rate of 59.65% and a transaction amount of 5.945 billion, with net buying of 34.58 million from institutional seats [2][5]. Market Performance Analysis - The probability of stocks with institutional net buying rising the next day is 52.25%, and the probability of outperforming the Shanghai Composite Index is 50.87% [3]. - Among the stocks with the highest net selling by institutions, Nanguang Digital had a net selling amount of 187.90 million, with a turnover rate of 38.46% [3][6]. Deep and Shanghai Stock Connect - On December 3, 19 stocks on the trading list had appearances from Deep and Shanghai Stock Connect, with net buying in stocks like Tongyu Communication and Aerospace Power [7][8]. - The net buying amounts for these stocks included 187.42 million for Tongyu Communication and 50.85 million for Aerospace Power [8].

Group 1 - The stock of Haixia Innovation fell over 18% [1] - Pingtan Development, Rongji Software, and Dongbai Group hit the daily limit down [1] - Qianzhao Optoelectronics, Fulongma, and Ruineng Technology experienced significant declines [1]

（编辑 袁冠琳） 证券日报网讯 12月3日，平潭发展在互动平台回答投资者提问时表示，公司始终高度重视投资者关系管 理的相关工作，并将股东利益置于重要位置。关于股东回馈方式，公司会结合公司发展阶段、经营业绩 及未来发展需求进行综合考量。 ...

Core Viewpoint - Pingtan Development announced on an interactive platform that as of November 28, 2025, the number of shareholders will reach 338,930 [2] Summary by Category - **Company Information** - Pingtan Development is projected to have 338,930 shareholders by November 28, 2025 [2] - **Investor Communication** - The company provided this information in response to investor inquiries on an interactive platform [2]

Core Viewpoint - The stock market experienced declines on December 3, with the Shanghai Composite Index down by 0.51%, the Shenzhen Component Index down by 0.78%, and the ChiNext Index down by 1.12%. Notably, China Uranium Industry (001280.SZ) saw significant net inflow of funds, amounting to 419 million yuan, while Pingtan Development (000592.SZ) faced the largest net outflow of 362 million yuan [1][2]. Group 1: Stock Performance - China Uranium Industry recorded a remarkable increase of 280.04% in stock price, with a turnover rate of 77.55% and a net buying amount of 419.4 million yuan, accounting for 5.19% of total trading volume [2][4]. - Pingtan Development experienced a decline of 9.91% in stock price, with a turnover rate of 37.51% and a net selling amount of 36.2 million yuan, representing 4.12% of total trading volume [5][10]. Group 2: Institutional Activity - On December 3, 26 stocks on the leaderboard saw institutional activity, with institutions net selling a total of 533 million yuan. Specifically, institutions net bought 9 stocks and net sold 17 stocks [6]. - The stock with the highest net buying by institutions was Sifangda (300179.SZ), which rose by 15.37% and had a turnover rate of 30.53% [6][7]. Group 3: Northbound Capital Flow - Northbound capital participated in 19 stocks on the leaderboard, with a total net outflow of 152 million yuan. The net buying was highest for Tongyu Communication (002792.SZ) at 187 million yuan, while the largest net selling was for Saiwei Electronics (300456.SZ) at 247 million yuan, which fell by 19.56% [11][14]. - Notably, both institutions and northbound capital jointly net bought Tongyu Communication and net sold stocks like Tongqing Building, Daoming Optical, and Pingtan Development [14][15].

Market Overview - On December 3, the Shanghai Composite Index fell by 0.51%, the Shenzhen Component Index decreased by 0.78%, and the ChiNext Index dropped by 1.12% [2] - A total of 51 stocks appeared on the "Dragon and Tiger List" due to significant price movements, with the highest net inflow of funds being 419 million yuan into China Uranium Industry (001280.SZ) [2][4] Stock Performance - China Uranium Industry saw a remarkable increase of 280.04% in its stock price, with a turnover rate of 77.55% and a net buying amount of 419.4 million yuan, accounting for 5.19% of the total trading volume [4][5] - The stock with the highest net outflow was Pingtan Development (000592.SZ), which experienced a decline of 9.91% and a net selling amount of 362 million yuan, representing 4.12% of the total trading volume [5][6] Institutional Activity - Among the 26 stocks on the Dragon and Tiger List, institutions were involved in 9 net purchases and 17 net sales, with a total net selling amount of 533 million yuan [5][6] - The stock with the highest net buying by institutions was Sifangda (300179.SZ), which rose by 15.37% with a turnover rate of 30.53% [6] Northbound Capital Flow - Northbound funds participated in 19 stocks on the Dragon and Tiger List, with a total net outflow of 152 million yuan [10] - The stock with the highest net buying from northbound funds was Tongyu Communication (002792.SZ), with a net inflow of 187 million yuan, while the highest net outflow was from Saiwei Electronics (300456.SZ), amounting to 247 million yuan and a decline of 19.56% [11][15] Summary of Key Stocks - The stocks with significant institutional and northbound fund activity included: - Tongyu Communication: Net buying of 22.2 million yuan combined from institutions and northbound funds [15] - Sifangda: Net buying of 5.607 million yuan from institutions [7] - Pingtan Development: Net selling of 250.88 million yuan combined from institutions and northbound funds [15]

共31只个股出现了机构的身影。 当天机构净买入前三的股票分别是四方达、航天发展、通宇通讯，净买入金额分别是5607万元、3897万 元、3458万元。 盘后数据显示，12月3日龙虎榜中，共31只个股出现了机构的身影，有10只股票呈现机构净买入，21只 股票呈现机构净卖出。 当天机构净卖出前三的股票分别是南网数字、平潭发展、航天动力，净流出金额分别是1.88亿元、1.05 亿元、9220万元。 | 星图测控 | -4.98% | -1177.25 | | --- | --- | --- | | 高乐股份 | 10.02% | -1643.75 | | 瑞玛精密 | -10.00% | -1822.98 | | 道明光学 | 10.03% | -1830.91 | | 雷科防务 | -5.50% | -1907.97 | | 华映科技 | 10.02% | -2362.11 | | 亿利达 | 10.04% | -2461.19 | | 顺灏股份 | 9.99% | -3145.94 | | 威领股份 | -5.96% | -3273.39 | | 榕基软件 | -9.27% | -3485.89 | | 清水源 ...

Core Viewpoint - The article highlights significant declines in the stock prices of several companies, with a particular focus on the sharp drop of Haixia Innovation by over 18% and the trading limits reached by Pingtan Development, Rongji Software, and Dongbai Group [1] Group 1 - Haixia Innovation experienced a decline of more than 18% [1] - Pingtan Development, Rongji Software, and Dongbai Group hit the trading limit down [1] - Qianzhao Optoelectronics, Fulongma, and Ruineng Technology also saw notable declines in their stock prices [1]

（文章来源：每日经济新闻） 每经AI快讯，福建本地股午后持续走低，海峡创新跌超18%，平潭发展、榕基软件、东百集团跌停，乾 照光电、福龙马、睿能科技跌幅居前。 ...

证券日报网讯 12月2日晚间，平潭发展发布公告称，公司股票连续3个交易日（2025年11月28日、12月 01日、12月02日）收盘价格涨幅偏离值累计偏离超过20%，属于股票交易异常波动。 （编辑 袁冠琳） ...