中国长城公告，公司股票连续三个交易日（2025年8月12日、8月13日、8月14日）收盘价格涨幅累计超 过20%，属于股票交易异常波动。公司已核实，生产经营正常运作，内外部环境未发生重大变化，前期 披露信息无需更正或补充，未筹划重大资产重组、收购、发行股份等事项。实际控制人和控股股东未在 异常波动期间买卖公司股票。 ...

证券代码：000066 证券简称：中国长城 公告编号：2025-037 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、股票交易异常波动的情况介绍 公司股票（证券代码：000066，证券简称：中国长城）连续三个交易日（2025 年 8 月 12 日、8 月 13 日、8 月 14 日）收盘价格涨幅偏离值累计超过 20%，根 据深圳证券交易所股票相关交易规则的规定，属于股票交易异常波动的情形。 二、公司关注并核实相关情况 公司针对股票交易异常波动对有关事项进行了核实。经公司自查并向公司实 际控制人中国电子信息产业集团有限公司（简称"中国电子"）和控股股东中国 电子有限公司（简称"中电有限"）核实，确认公司及公司实际控制人、控股股 东均不存在应披露而未披露的重大信息，有关核实情况如下： 1.截至目前，公司生产经营正常运作，内外部经营环境未发生重大变化。 2.公司前期披露的信息不存在需要更正、补充之处。 3.近期未发现公共媒体报道了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。 4.除公司近期已披露事项外，公司实际控制人中国电子和控股股东中电有限 ...

来源：上海证券报·中国证券网 上证报中国证券网讯 8月14日，沪深两市成交额合计2.28万亿元。其中，沪市成交额9495亿元，深市成 交额1.33万亿元。 | | 序号 代码 | 名称 | O | 最新 | 涨幅% 成交额 ↓ | | | --- | --- | --- | --- | --- | --- | --- | | 1 | 300059 | 东方财富 | 1 | 24.36 | -0.90 | 187亿 | | 2 | 688256 | 寒武纪-U | 1 | 949.00 | 10.35 | 140亿 | | 3 | 000066 | 中国长城 | 1 | 18.13 | 3.60 | 121亿 | | ব | 688041 | 海光信息 | t | 152.49 | 8.83 | 120亿 | | 5 | 600111 | 北方稀土 | 1 | 38.35 | 2.02 | 110亿 | | 6 | 601138 | 工业富联 | 1 | 43.22 | -1.05 | 107亿 | | 7 | 300502 | 新易盛 | 1 | 231.06 | -2.32 | 106亿 | | 8 | 6 ...

当日沪深主板成交额前10大个股中7只个股收涨，平均涨幅3.31%，其中中国长城(000066)以成交额 121.03亿元排第一。从主力资金流入看，成交额前10大个股中有6只个股呈现主力资金净流入。 证券之星消息，8月14日A股收盘，上证指数报收3666.44，下跌0.46%；深圳成指报收11451.43，下跌 0.87%。 ...

Market Overview - The two markets experienced a significant net outflow of 37.726 billion yuan, with 1,510 stocks seeing net inflows and 3,419 stocks experiencing net outflows [1] - The Shanghai Composite Index closed down by 0.46% [1] Industry Analysis - Among the Shenwan first-level industries, four sectors saw net inflows from large orders, with the computer sector leading at a net inflow of 999.7 million yuan, despite a 0.57% decline in its index [1] - The non-bank financial sector also saw a net inflow of 625 million yuan and an increase of 0.59% [1] - The defense and military industry had the highest net outflow, totaling 5.890 billion yuan, followed by machinery equipment with a net outflow of 4.422 billion yuan [1] Individual Stock Performance - A total of 34 stocks had net inflows exceeding 200 million yuan, with Huasheng Tiancheng leading at 1.585 billion yuan [2] - Other notable stocks with significant net inflows include Ningde Times at 1.441 billion yuan and Sifang Jingchuang at 1.224 billion yuan [2] - Stocks with the highest net outflows included Changcheng Military Industry at 1.299 billion yuan and China Great Wall at 1.045 billion yuan [2][4] Stock Price Movements - Stocks with net inflows over 200 million yuan saw an average increase of 7.32%, outperforming the Shanghai Composite Index [2] - Specific stocks that closed at their daily limit include Changcheng Securities and COFCO Sugar [2] Sector Concentration - The stocks with the highest net inflows were concentrated in the computer, non-bank financial, and electronics sectors, with 8, 4, and 4 stocks respectively [2]

Market Performance - The A-share market experienced rotation and differentiation, with the Shanghai Composite Index breaking through 3700 points, reaching a nearly four-year high [1] - From the low of 2689.7 points on September 18, 2024, to the high of 3704.77 points on August 14, 2025, the A-share market rose over 1000 points within a year [1] Market Trends - In the afternoon session, multiple sectors weakened, with the Shanghai Composite Index closing down 0.46%, the Shenzhen Component Index down 0.87%, and the ChiNext Index down 1.08% [2] - The total market turnover was 2.3 trillion yuan, an increase of 131.1 billion yuan compared to the previous trading day [2] Sector Performance - Sectors such as insurance, brain-computer interfaces, digital currency, and electric motors saw significant gains, while sectors like CPO, copper foil, and lithium mines experienced declines [2] - The marine engineering equipment sector showed notable activity, with Giant Lifting (002342) hitting the daily limit in just three minutes [6] Notable Stocks - Nine leading stocks had a trading volume exceeding 10 billion yuan, with Dongfang Caifu (300059) leading at 18.672 billion yuan, followed by Han's Laser (688256) at 14.035 billion yuan and China Great Wall (000066) at 12.103 billion yuan [4][5] - China Great Wall's stock performance has been noteworthy, ranking fifth on the A-share hot list, with a projected net profit of 100 million to 145 million yuan for the first half of the year, marking a year-on-year increase of 123.72% to 134.40% [10][13] Policy and Industry Insights - The National Development and Reform Commission is focusing on supporting major projects in the marine sector, enhancing technological innovation capabilities in marine science [8][9] - The "Wenhai No. 3" engineering operation ship project has commenced, with a total length of 81.8 meters and a full-load displacement of 3000 tons, expected to be delivered by October 2026 [9] - The domestic liquid cooling supply gap presents opportunities for local suppliers to expand into international markets, with expectations for increased competitiveness and profitability in the long term [14]

Group 1 - The main focus of the article is on the significant outflow of capital from specific stocks as of August 14, with a detailed list of the top 20 stocks experiencing the largest capital outflows [1][2] - The stock with the highest capital outflow is Changcheng Military Industry, with an outflow of 1.55 billion [1] - Other notable stocks with substantial outflows include Inner Mongolia First Machinery Group (-1.395 billion), China Great Wall (-1.286 billion), and Aerospace Science and Technology (-839 million) [1] Group 2 - The total capital outflows from the top 20 stocks indicate a trend of investors pulling back from these companies, which may reflect broader market sentiments [1] - The outflows from these stocks range from approximately 4.89 billion to 15.51 billion, highlighting a significant shift in investor confidence [1] - The data suggests that sectors represented by these companies may be facing challenges that could impact future performance [1]

Market Overview - The market experienced fluctuations throughout the day, with the ChiNext Index leading the decline, and the Shanghai Composite Index losing the 3700-point mark, ending an 8-day winning streak. The Shanghai Composite Index fell by 0.46%, the Shenzhen Component Index dropped by 0.87%, and the ChiNext Index decreased by 1.08% [1]. Market Activity - The market showed a mixed performance with more stocks declining than rising, as over 4600 stocks fell across the market [2]. - The total trading volume for the Shanghai and Shenzhen markets reached 2.28 trillion yuan, an increase of approximately 128.27 billion yuan compared to the previous trading day. The Shanghai market accounted for 949.46 billion yuan, while the Shenzhen market contributed 1.33 trillion yuan [7]. Sector Performance - The brain-computer interface concept stocks showed strong fluctuations, with Innovative Medical achieving five consecutive trading limits in eight days [3]. - Digital currency concept stocks surged at one point, with Jida Zhengyuan hitting the daily limit [4]. - Robotics concept stocks were partially active, with Wolong Electric Drive reaching a historical high [5]. - In contrast, military industry stocks collectively adjusted, with Tianqin Equipment falling over 10% [6]. Notable Stocks - Dongfang Caifu had the highest trading volume at 18.67 billion yuan, followed by Hanwha Technology at 14.04 billion yuan, China Great Wall at 12.10 billion yuan, Haiguang Information at 12.02 billion yuan, and Northern Rare Earth at 10.99 billion yuan [7][8]. - Specific stock performances included: - Hanwha Technology: 949.00 yuan, up 89.00 yuan (10.35%) [8] - China Great Wall: 18.13 yuan, up 0.63 yuan (3.60%) [8] - Haiguang Information: 152.49 yuan, up 12.37 yuan (8.83%) [8] - Northern Rare Earth: 38.35 yuan, up 0.76 yuan (2.02%) [8]

Group 1 - The core point of the article is that China Great Wall achieved a transaction volume of 10 billion yuan, with a current increase of 7.43% [1]

Group 1 - The liquid cooling server concept experienced a partial surge on August 14, with notable increases in stock prices [1] - Eurocontinental saw a rise of over 18%, indicating strong market interest [1] - China Great Wall increased by nearly 5%, reflecting positive investor sentiment [1] - Invech's stock rose by over 2%, contributing to the overall trend in the sector [1]