（原标题：北方长龙换手率41.18%，上榜营业部合计净买入1087.48万元） 北方长龙今日上涨3.00%，全天换手率41.18%，成交额17.67亿元，振幅13.39%。龙虎榜数据显示，营业部席位合计净买入1087.48万元。 北方长龙9月2日交易公开信息 | 买/卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 东方财富证券股份有限公司拉萨东环路第二证券营业部 | 1662.65 | 1117.35 | | 买二 | 东方财富证券股份有限公司拉萨团结路第二证券营业部 | 1582.87 | 1445.12 | | 买三 | 东方财富证券股份有限公司拉萨东环路第一证券营业部 | 1459.20 | 1207.63 | | 买四 | 东方财富证券股份有限公司山南香曲东路证券营业部 | 1347.92 | 797.86 | | 买五 | 东吴证券股份有限公司上海西藏南路证券营业部 | 1327.13 | 971.92 | | 卖一 | 东方财富证券股份有限公司拉萨团结路第二证券营业部 | 1582.87 | 1445.12 ...

Core Points - The article highlights significant stock performance in the market, with a notable number of stocks achieving substantial gains in 2023 [7]. Group 1: Stock Performance - As of August 29, the Shanghai Composite Index closed at 3857.93 points, with a year-to-date increase of 15.10% [7]. - A total of 394 stocks have doubled in value this year, with 66 stocks increasing by over 200% [7]. - The stock with the highest increase is Shangwei New Materials, which has surged by 1151.35%, marking it as the first tenfold stock of the year [7]. - Three stocks have increased by over five times: *ST Yushun (717.98%), Shutaishen (619.84%), and Shenghong Technology (537.62%) [7]. - Four stocks have seen increases exceeding four times: Great Wall Military Industry (488.18%), North Long Dragon (448.01%), Shijia Photon (407.29%), and Honghe Technology (406.47%) [7]. - There are 12 stocks that have increased by over three times and 46 stocks that have doubled in value [7]. Group 2: Industry Analysis - The 394 doubling stocks belong to 26 different industries, with the machinery and equipment sector having the highest number of doubling stocks at 67 [7]. - The pharmaceutical and biological industry follows with 46 doubling stocks, while the electronics industry ranks third with 36 doubling stocks [7]. - The top three industries account for over 35% of the total doubling stocks, indicating a clear clustering effect [7].

Market Overview - As of September 1, the Shanghai Composite Index closed at 3875.53 points, up by 17.60 points, representing a 0.46% increase [1] - The Shenzhen Component Index closed at 12828.95 points, up by 132.80 points, with a 1.05% increase [1] - The ChiNext Index closed at 2956.37 points, up by 66.25 points, reflecting a 2.29% increase [1] Stock Performance - A total of 80 A-shares had a turnover rate exceeding 20% on this day, indicating significant trading activity [1] - Notable stocks with high turnover rates included: - Sanwei Communication (002115) with a turnover rate of 54.64% and a price increase of 10.03% [1] - Beifang Changlong (301357) with a turnover rate of 54.55% and a price decrease of 1.13% [1] - Other significant performers included: - Xiaocheng Technology (300139) with a turnover rate of 41.52% and a price increase of 13.43% [1] - Hongyi Precision (873223) with a turnover rate of 35.54% and a price increase of 29.98% [1] Additional Notable Stocks - Other stocks with notable turnover rates included: - Yuyou Green Energy (301590) with a turnover rate of 30.31% and a price increase of 4.12% [1] - Innovation Medical (002173) with a turnover rate of 30.55% and a price increase of 10.00% [1] - Matrix Shares (301365) with a turnover rate of 29.05% and a price increase of 6.33% [1]

Summary of Key Points Core Viewpoint - Northern Long Dragon's stock experienced a decline of 1.13% with a high turnover rate of 54.55%, indicating significant trading activity and potential volatility in the market [1][2]. Trading Activity - The stock had a total trading volume of 2.38 billion yuan, with a price fluctuation of 17.96% throughout the day [1]. - Institutional investors net sold 26.04 million yuan, while total net selling from brokerage seats amounted to 54.97 million yuan [1][2]. Market Performance - Over the past six months, the stock has appeared on the Dragon and Tiger list 41 times, with an average price increase of 3.05% the day after being listed and a 14.44% increase over the following five days [4]. - The stock saw a net outflow of 112 million yuan in principal funds today, with large orders contributing to a net outflow of 68.81 million yuan and 43.39 million yuan respectively [4]. Margin Trading Data - As of August 29, the stock's margin trading balance was 212 million yuan, with a financing balance of 211 million yuan and a securities lending balance of 1.11 million yuan [4]. - In the last five days, the financing balance decreased by 3.47 million yuan, a decline of 1.61%, while the securities lending balance increased by 0.99 million yuan, an increase of 9.77% [4]. Major Trading Departments - The top five buying and selling brokerage seats had a combined transaction amount of 259 million yuan, with buying totaling 89.21 million yuan and selling totaling 170 million yuan, resulting in a net selling of 81.01 million yuan [2][3].

Core Viewpoint - The stock price of Beifang Changlong New Materials Technology Co., Ltd. has increased by 117.87% over the past 30 trading days, significantly outperforming both the industry average of 13.05% and the ChiNext index's increase of 26.92%, despite no major changes in the company's fundamentals, indicating potential market over-exuberance and associated risks for investors [1][2]. Financial Performance - For the first half of 2025, the company reported a revenue of 64.97 million yuan and a net loss attributable to shareholders of 1.09 million yuan, highlighting a decline in operational performance [1]. Valuation Metrics - As of August 29, 2025, the company's price-to-book (P/B) ratio stands at 15.41, which is significantly higher than the industry average P/B ratio of 5.17 for the manufacturing sector [2]. Market Sentiment - The substantial increase in stock price over a short period suggests a potential overreaction in market sentiment, with the company urging investors to exercise caution in trading decisions [2].

8月29日晚间，北方长龙（301357）发布关于股票交易风险的提示公告。公告指出，公司股票近30个交 易日收盘价格累计上涨幅度为117.87%，同期申万同行业涨幅为13.05%，创业板指数涨幅为26.92%，公 司股票短期涨幅高于同期行业及创业板指数涨幅，但公司基本面未发生重大变化，存在市场情绪过热的 情形，投资者参与交易可能面临较大风险。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。 人民财讯8月29日电， ...

北方长龙今日涨停，全天换手率54.36%，成交额21.48亿元，振幅22.35%。龙虎榜数据显示，机构净买 入2392.30万元，营业部席位合计净买入3344.20万元。 深交所公开信息显示，当日该股因日收盘价涨幅达20.00%、日换手率达54.36%上榜，机构专用席位净 买入2392.30万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交2.23亿元，其中，买入成交额为1.40亿 元，卖出成交额为8262.90万元，合计净买入5736.50万元。 资金流向方面，今日该股主力资金净流入9214.37万元，其中，特大单净流入3284.74万元，大单资金净 流入5929.62万元。近5日主力资金净流出2.30亿元。 融资融券数据显示，该股最新（8月28日）两融余额为1.90亿元，其中，融资余额为1.89亿元，融券余额 为92.60万元。近5日融资余额合计减少1908.60万元，降幅为9.16%，融券余额合计减少6.57万元，降幅 6.62%。（数据宝） 北方长龙8月29日交易公开信息 | 买/ 卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- ...

Market Overview - As of August 29, the Shanghai Composite Index closed at 3857.93 points, up 14.33 points, with a gain of 0.37% [1] - The Shenzhen Component Index closed at 12696.15 points, up 124.78 points, with a gain of 0.99% [1] - The ChiNext Index closed at 2890.13 points, up 62.95 points, with a gain of 2.23% [1] Stock Performance - A total of 81 A-shares had a turnover rate exceeding 20% on August 29, indicating significant trading activity [1] - Notable stocks with high turnover rates included: - Haoen Qidian (301488) with a turnover rate of 54.82% and a price increase of 6.69% [1] - Beifang Changlong (301357) with a turnover rate of 54.36% and a price increase of 20.00% [1] - Tongda Hai (301378) with a turnover rate of 48.18% and a price increase of 20.01% [1] - Other stocks with notable turnover rates included: - Shunyu Precision (831906) at 45.60% with a price increase of 0.63% [1] - Sanwei Communication (002115) at 45.49% with a price increase of 9.98% [1] - Haiyang Technology (603382) at 45.31% with a price decrease of 9.99% [1] Additional Stock Insights - The stock with the highest turnover rate was Haoen Qidian (301488) at 54.82% [1] - The stock with the largest price increase among high turnover stocks was Beifang Changlong (301357) at 20.00% [1] - Stocks with significant price decreases included Haiyang Technology (603382) at -9.99% and Huasheng Tianc (600410) at -10.00% [1]

Group 1 - The core point of the article is that Northern Long Dragon (301357) has experienced a significant stock price increase of 117.87% over the past 30 trading days, which is substantially higher than the 13.05% increase in the industry and the 26.92% increase in the ChiNext index [1] - The company warns that despite the sharp rise in stock price, there has been no significant change in its fundamentals, indicating a potential overheating of market sentiment [1] - Investors are cautioned that participating in trading may involve considerable risks due to the current market conditions [1]

证券代码：301357 证券简称：北方长龙 公告编号：2025-076 北方长龙新材料技术股份有限公司 股票交易风险提示公告 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。 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。 北方长龙新材料技术股份有限公司（以下简称"公司"）（证券代码：301357， 证券简称：北方长龙）公司股票近30个交易日收盘价格累计上涨幅度为117.87%， 同期申万同行业涨幅为13.05%，创业板指数涨幅为26.92%，公司股票短期涨幅 高于同期行业及创业板指数涨幅，但公司基本面未发生重大变化，存在市场情绪 过热的情形，投资者参与交易可能面临较大风险。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。 一、经营业绩风险： 2024年度，公司实现营业收入10,773.91万元，实现归属于上市公司股东的净 利润-1,089.00万元。2025年半年度，公司实现营业收入6,497.07万元，实现归属 于上市公司股东的净利润-109.36万元。公司经营业绩亏损，股票价格存在脱离公 司基本面 ...