Group 1: Market Activity - Yingxin Development had the highest limit-up order volume at 1,402,100 hands, followed by Pingtan Development with 934,000 hands, Helitai with 479,300 hands, and Antai Group with 276,400 hands [1] - The total order amount for 18 stocks exceeded 100 million yuan, with Pingtan Development, Yingxin Development, and Shikong Technology leading at 513 million yuan, 447 million yuan, and 409 million yuan respectively [1] Group 2: Company Announcements - Yingxin Development announced plans to acquire control of Guangdong Changxing Semiconductor Technology Co., Ltd., a high-tech company focused on memory chip packaging and testing, established in 2012 [1] - Guangdong Changxing has developed an integrated R&D and packaging testing business model, with capabilities in wafer testing, repair technology, and various packaging techniques [1] Group 3: Performance Trends - ST Zhongdi achieved 8 consecutive limit-up days, Yingxin Development had 7 consecutive days, and *ST Zhengping had 5 consecutive days [1] - Other notable stocks include Dahuazhineng and Shikong Technology with 4 consecutive days, and Qingdao Double Star and Yashichuangneng with 3 consecutive days [1] Group 4: Sector Highlights - PCB (Printed Circuit Board) sector saw multiple stocks limit-up, including Jingwang Electronics, Honghe Technology, Dongcai Technology, and Fangzheng Technology, with significant technological breakthroughs reported [4] - The military sector also had limit-up stocks such as Aerospace Development and Great Wall Military Industry, with a focus on military products and new communication equipment [4][5] Group 5: Earnings Growth - Fangzheng Technology reported a net profit of 317 million yuan for the first three quarters, a year-on-year increase of 50.81% [6] - Zhongtung High-tech achieved a net profit of 846 million yuan, up 18.26% year-on-year [7] - Yongmaotai reported a net profit of 50 million yuan, reflecting a 39.58% increase year-on-year [8]

证券代码：605178 证券简称：时空科技 公告编号：2025-072 北京新时空科技股份有限公司 股票交易异常波动暨风险提示公告 本公司董事会、全体董事及相关股东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）生产经营情况 经公司自查，公司目前生产经营状况正常，内外部经营环境未发生重大变化， 除本次交易外不存在其他应披露而未披露的重大信息。 1 北京新时空科技股份有限公司（以下简称"公司"）股票价格于 2025 年 10 月 27 日、10 月 28 日连续两个交易日收盘价格涨幅偏离值累计超过 20%，根据《上海证券交易所交易规则》的有关规定，属于股票交易异 常波动的情形。 公司股价自 2025 年 9 月以来累计上涨 123.90%，10 月 23 日至 28 日两 次触及股票交易异常波动指标，期间累计上涨 46.41%。公司股价短期上 涨幅度较大，可能存在市场情绪过热、非理性炒作风险，已严重偏离同 期上证指数和装修装饰行业指数，且严重偏离上市公司基本面，未来存 在快速下跌风险。 公司最新市净率为 4.10 倍，显著高于同 ...

Core Points - The company's stock price experienced an abnormal fluctuation, with a cumulative increase of over 20% in closing price deviation over two consecutive trading days on October 27 and 28, 2025 [1] - Since September 2025, the company's stock price has risen by 123.90%, with a 46.41% increase from October 23 to 28, 2025 [1] - The company's latest price-to-book ratio stands at 4.1 times, significantly higher than that of peer listed companies [1] - The company has reported continuous losses from 2022 to the first half of 2025 [1]

Group 1 - A total of 72 stocks in the A-share market reached the daily limit on October 28, indicating strong market activity [1] - Notable stocks include ST Zhongdi with 8 consecutive limit-ups in the real estate sector and Yingxin Development with 7 in the cultural tourism sector [1] - Semiconductor stocks like Shikong Technology achieved 5 consecutive limit-ups, highlighting the growing interest in storage chip technology [1] Group 2 - Other significant stocks include ST Wanfang and ST Zhengping, both with 5 consecutive limit-ups in the construction and infrastructure sectors respectively [1] - Quantum technology stock Dahua Intelligent recorded 4 consecutive limit-ups, reflecting investor enthusiasm in this emerging field [1] - The list also features companies in various sectors such as forestry, robotics, lithium mining, and AI servers, indicating a diverse range of investment interests [1]

Market Overview - The professional engineering sector experienced a decline of 1.22% on October 28, with China Metallurgical Group leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable gainers included: - Rishang Group (002593) with a closing price of 5.91, up 10.06% and a trading volume of 1.067 million shares, totaling 623 million yuan [1] - Shikong Technology (605178) closed at 52.46, up 10.00% with a trading volume of 34,288 shares, totaling 17.9875 million yuan [1] - Other gainers included: - Shenghui Integration (603163) up 3.48% [1] - Sanlian Hongyin (300384) up 1.70% [1] Decliners - Major decliners included: - Gongliang Forty (601618) down 4.45% with a trading volume of 2.4354 million shares [2] - Zhongyan Dadi (003001) down 3.95% [2] - Tongguan Mining Construction (920019) down 3.18% [2] Capital Flow - The professional engineering sector saw a net outflow of 56.7941 million yuan from institutional investors, while retail investors contributed a net inflow of 42.6294 million yuan [2][3] - Notable capital flows included: - Rishang Group had a net inflow of 1.78 billion yuan from institutional investors, but a net outflow from retail investors of 8.97809 million yuan [3] - Shenghui Integration saw a net inflow of 28.62% from institutional investors [3]

Market Overview - The Shanghai Composite Index closed at 4005.44 points, up 0.21% [1] - The Shenzhen Component Index closed at 13559.57 points, up 0.52% [1] - The ChiNext Index rose by 1.35% and the Sci-Tech 50 Index increased by 0.56% [1] Stock Performance - Among the tradable A-shares, 2937 stocks rose, accounting for 57.03%, while 2001 stocks fell [1] - There were 65 stocks that hit the daily limit up, and 6 stocks hit the limit down [1] - The leading sectors for limit-up stocks included Computer, Machinery Equipment, and Construction Decoration, with 6, 5, and 5 stocks respectively [1] Notable Stocks - ST Zhongdi has achieved 8 consecutive limit-up days, the highest among all stocks [1] - The stock with the highest limit-up order volume was Yingxin Development, with 23384.46 million shares, followed by Pingtan Development and Helitai [1] - In terms of order value, Yingxin Development, Pingtan Development, and Shikong Technology had the highest amounts, with 746 million, 745 million, and 671 million respectively [1] Limit-Up Stocks Summary - A detailed table lists various stocks that hit the limit up, including their closing prices, turnover rates, limit-up order volumes, and industry classifications [1][2][3]

Core Viewpoint - The stock of Shikong Technology has experienced a significant surge, achieving a limit-up for four consecutive trading days, with a total increase of 46.41% during this period [2] Recent Performance - As of 9:25 AM, the stock price reached 52.46 yuan, with a turnover rate of 0.04% and a trading volume of 39,800 shares, amounting to a transaction value of 2.0858 million yuan [2] - The limit-up order amount reached 3.221 billion yuan, indicating strong market interest [2] - The total market capitalization of the stock is now 5.198 billion yuan [2] Trading Data - The stock has been listed on the Dragon and Tiger list due to a cumulative deviation of 20% in its price over three consecutive trading days [2] - Institutional investors net sold 8.2603 million yuan, while other trading desks collectively net bought 20.7257 million yuan [2] - Recent daily performance data shows fluctuations in daily price changes and net capital inflows, with notable increases on October 27, 24, and 23, where the stock rose by 10.01%, 10.00%, and 9.99% respectively [2]

Market Overview - As of October 27, the Shanghai Composite Index closed at 3996.94 points, with an increase of 1.18% [1] - The Shenzhen Component Index closed at 13489.40 points, up by 1.51% [1] - The ChiNext Index closed at 3234.45 points, rising by 1.98% [1] Trading Activity - A total of 2530 stocks saw an increase in average transaction volume, with 78 stocks experiencing a growth of over 50% [1] - 2034 stocks reported a decrease in average transaction volume [1] - Notable stocks with significant increases in transaction volume include Xinri Co., Haomai Technology, and Changbao Co. [1] Individual Stock Performance - Xinri Co. reported a daily increase of 10.02% with an average transaction volume of 1456 shares, showing a 253.73% increase [1] - Haomai Technology increased by 10.01% with an average transaction volume of 784 shares, reflecting a 206.77% increase [1] - Changbao Co. rose by 9.95% with an average transaction volume of 2716 shares, marking a 197.17% increase [1] - Tianyi Medical saw a significant increase of 20.00% with an average transaction volume of 575 shares, up by 153.85% [1] Active Stocks by Transaction Count - Geer Software had a notable increase in transaction count, rising by 3312.09% with 106,389 transactions [2] - Huajian Group experienced a decrease of 9.99% but had a transaction count increase of 1338.50% with 220,091 transactions [2] - Shanghai Port Bay reported a 1.59% increase with 41,109 transactions, reflecting a 723.50% increase [2] Summary of Notable Stocks - Tianyi Medical, Wanlang Magnetic Plastic, and Jialan Technology all reported significant increases in both transaction volume and count, indicating heightened trading activity [1][2] - Stocks like Xinyuan Co. and Juzhu Co. also showed substantial increases in transaction metrics, suggesting potential investment interest [1][2]

证券代码：605178 证券简称：时空科技 公告编号：2025-071 北京新时空科技股份有限公司 股票交易风险提示公告 本公司董事会、全体董事及相关股东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。 根据中证指数有限公司官网发布的数据，公司所属的行业分类"E50 建筑装 饰、装修和其他建筑业"最新行业市净率为 2.30 倍，公司最新市净率为 3.72 倍， 显著高于同行业上市公司水平。当前公司股票价格短期涨幅较大，可能存在市场 情绪过热、非理性炒作风险，敬请广大投资者注意二级市场交易风险，理性决策， 审慎投资。 二、 公司主营业务未发生重大变化 重要内容提示： 1 北京新时空科技股份有限公司（以下简称"公司"）股票价格于 2025 年 10 月 23 日、10 月 24 日连续两个交易日收盘价格涨幅偏离值累计超过 20%，根据《上海证券交易所交易规则》的有关规定，属于股票交易异 常波动的情形；2025 年 10 月 27 日，公司当日股票价格再次以涨停价收 盘，公司股价短期涨幅较大，敬请投资者注意二级市场股票交易风险。 公司股价短期上涨幅度较大， ...

Core Viewpoint - The company has announced that its stock price has experienced a significant short-term increase, which has deviated from its fundamental value, indicating a potential for substantial downward risk in the future [1] Summary by Relevant Sections - **Stock Price Movement** - The company's stock price rose by a cumulative 33.10% from October 23 to October 27, 2025 [1] - Since September 2025, the stock has increased by a total of 103.54% [1] - **Market Sentiment** - There are indications of overheated market sentiment and risks associated with irrational speculation [1]