Market Overview - On April 3, both Shanghai and Shenzhen stock markets experienced declines with increased trading volume [1] - The aquaculture and logistics sectors saw the highest gains, while the kitchen and bathroom appliances and components sectors faced the largest declines [1] Top Stocks - The top stock by popularity was Hongbaoli (002165), which closed at the daily limit up [1] - Other notable gainers included Zhongyida (600610) and Hangang Co. (600126), while Dawi Technology (600589) was the only stock among the top ten to decline, falling by 0.83% [1] Individual Stock Analysis Hangang Co. (600126) - Hangang Co. saw a significant increase in popularity, with a trading volume reaching 12.45 million, marking one of the highest levels this year [3] - The stock opened lower but experienced a strong rally, nearly hitting the daily limit before a slight pullback, ultimately closing up by 6.36% [3] Kaimete Gas (002549) - Kaimete Gas experienced high volatility, with a trading range exceeding 15% during the day [4] - The stock opened low, surged, and then fell back, ultimately closing unchanged after previously hitting the daily limit for five consecutive trading days [4] - The recent price surge is linked to its involvement in the photolithography gas sector, with products certified by major international companies [4] Weichai Heavy Machinery (000880) - Weichai Heavy Machinery opened lower but rebounded significantly, closing up by 1.94% after a volatile trading session [5] - The stock has shown consistent gains over the past four trading days, reversing a previous downward trend [5] - The increase is attributed to its data center-related products, which have seen substantial sales and revenue growth across various sectors [5]

Market Overview - The Shanghai Composite Index rose by 0.05% to 3350 points, with a total trading volume of 992.7 billion yuan, marking a drop below 1 trillion yuan for the first time in 50 trading days [1] - Over 2700 stocks in the market increased, with 48 stocks hitting the daily limit up and 19 stocks hitting the limit down [1] - Sectors such as outdoor camping, robotics, decoration, jewelry, beauty care, and wind power equipment saw significant gains [1] Stock Performance - Key stocks with notable increases include: - Kai Mei Te Qi (002549) up by 10.01% to 10.11 yuan, achieving a five-day limit up streak [2] - Run Du Jiao Ye (002923) up by 10.02% to 17.78 yuan, with four limit ups in seven days [2] - Xin Ya Da (600571) up by 10.01% to 18.24 yuan, marking three limit ups in six days [2] - Heng Run Co., Ltd. (603985) up by 10.01% to 17.04 yuan, with three consecutive limit ups [2] Trading Dynamics - The top three net buying stocks on the Dragon and Tiger list were: - Dong Tu Ke Ji (300353) with a net buy of 215 million yuan [3] - Dian Tou Chan Rong (000958) with a net buy of 195 million yuan [3] - Qin Chuan Ji Chuang (000837) with a net buy of 180 million yuan [3] - Conversely, the top three net selling stocks were: - Hang Fa Dong Li (600893) with a net sell of 1.447 billion yuan [6] - Xue Ren Gong Si (002639) with a net sell of 126 million yuan [6] - Hong Bao Li (002165) with a net sell of 124 million yuan [6] Sector Highlights - The electric investment and financing sector is gaining attention due to its proposed acquisition of 100% equity in Electric Investment Nuclear Power, enhancing its position in the nuclear power sector [9][13] - Run Du Jiao Ye is focusing on new tobacco and synthetic biology, with a significant increase in trading volume and price [14][17] Institutional Activity - Institutions showed strong interest in Dong Tu Ke Ji, with a net buy of 794 million yuan [7] - Conversely, institutions sold off Hang Fa Dong Li significantly, with a net sell of 1.478 billion yuan [8] Summary of Key Stocks - Kai Mei Te Qi (002549) and Run Du Jiao Ye (002923) are leading in terms of price increases and trading activity, indicating strong market interest [2][14] - The performance of Dong Tu Ke Ji and Hang Fa Dong Li reflects contrasting investor sentiment, with one attracting significant buying and the other facing heavy selling pressure [7][8]

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2.99亿元，其中，买入成交额为1.61亿 元，卖出成交额为1.38亿元，合计净买入2272.68万元。 具体来看，今日上榜的营业部中，深股通为第二大卖出营业部，买入金额为920.12万元，卖出金额为 2231.29万元，合计净卖出1311.17万元。 凯美特气今日涨停，全天换手率31.13%，成交额21.23亿元，振幅9.89%。龙虎榜数据显示，深股通净卖 出1311.17万元，营业部席位合计净买入3583.85万元。 深交所公开信息显示，当日该股因日涨幅偏离值达9.88%上榜，深股通净卖出1311.17万元。 资金流向方面，今日该股主力资金净流入6136.50万元，其中，特大单净流入1.10亿元，大单资金净流出 4900.58万元。近5日主力资金净流入1.57亿元。 （文章来源：证券时报网） 融资融券数据显示，该股最新（4月1日）两融余额为1.29亿元，其中，融资余额为1.29亿元，融券余额 为2.39万元。近5日融资余额合计增加919.90万元，增幅为7.70%，融券余额合计减少20.94万元，降幅 89.76%。（数据宝） | 买/ 卖 | 会员 ...

证券代码：002549 证券简称：凯美特气 公告编号：2025-008 湖南凯美特气体股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，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 湖南凯美特气体股份有限公司（以下简称"公司"）股票（证券简称：凯美 特气，证券代码：002549）2025 年 3 月 31 日、2025 年 4 月 1 日连续两个交易日 内收盘价格涨幅偏离值累计超过 20%，根据深圳证券交易所相关规定，属于股票 价格异常波动的情形。 二、公司关注、核实情况的说明 三、是否存在应披露而未披露信息的说明 公司董事会确认，公司目前没有任何根据深圳证券交易所《股票上市规则》 等有关规定应予以披露而未披露的事项或与该事项有关的筹划、商谈、意向、协 议等；董事会也未获悉公司有根据深圳证券交易所《股票上市规则》等有关规定 应予以披露而未披露的、对公司股票及其衍生品种交易价格产生较大影响的信息； 公司前期披露的信息不存在需要更正、补充之处。 针对公司股票交易异常波动的情况，公司进行了自查，并就相关事项进行了 核实，现就有关情况说明如下： 1、截 ...

Group 1 - The stock of Kaimeteqi (002549) has hit the daily limit up and has recorded three consecutive limit-up days, with a current price of 8.35 yuan and a turnover rate of 0.88% [1] - During the consecutive limit-up period, the stock has increased by 33.17%, with a cumulative turnover rate of 6.79% [1] - The latest total market capitalization of the stock in A-shares is 5.806 billion yuan, with a circulating market capitalization of 5.781 billion yuan [1] Group 2 - As of March 28, the margin trading balance for the stock is 133 million yuan, with a financing balance of 133 million yuan, reflecting an increase of 21.59 million yuan or 19.42% from the previous trading day [1] - Over the past three days, the margin trading balance has increased by 13.35 million yuan, representing an 11.18% growth [1] - The stock has appeared on the Dragon and Tiger list due to a cumulative price deviation of 20% over three trading days, with net selling from the Shenzhen Stock Connect totaling 6.8211 million yuan and net buying from brokerage seats amounting to 46.5405 million yuan [1] Group 3 - For the first three quarters of 2024, the company reported total operating revenue of 429 million yuan, a year-on-year increase of 2.44%, but a net profit of -33 million yuan, a year-on-year decline of 117.83% [1] - The company has forecasted a net profit for 2024 between -54 million yuan and -44 million yuan [1]

Group 1 - The stock of Hunan Kaimete Gas Co., Ltd. experienced an abnormal trading fluctuation, with a cumulative closing price increase exceeding 20% over two consecutive trading days on March 27 and March 28, 2025 [2] - The company conducted a self-examination and confirmed that there were no corrections or supplements needed for previously disclosed information [3][4] - The company reported that its recent production and operational conditions are normal, with no significant changes in the internal or external operating environment [4] Group 2 - The board of directors confirmed that there are no undisclosed significant matters that should have been disclosed according to the Shenzhen Stock Exchange's regulations [6] - During the period of stock price fluctuation, the controlling shareholders and actual controllers did not engage in buying or selling the company's stock [5] - The company will continue to fulfill its information disclosure obligations in accordance with relevant laws and regulations [7]

证券代码：002549 证券简称：凯美特气 公告编号：2025-007 湖南凯美特气体股份有限公司 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，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 湖南凯美特气体股份有限公司（以下简称"公司"）股票（证券简称：凯美 特气，证券代码：002549）2025 年 3 月 27 日、2025 年 3 月 28 日连续两个交易 日内收盘价格涨幅偏离值累计超过 20%，根据深圳证券交易所相关规定，属于股 票价格异常波动的情形。 生的重大变化。 的重大事项，或处于筹划阶段的重大事项。 司股票的情况。 三、是否存在应披露而未披露信息的说明 公司董事会确认，公司目前没有任何根据深圳证券交易所《股票上市规则》 等有关规定应予以披露而未披露的事项或与该事项有关的筹划、商谈、意向、协 议等；董事会也未获悉公司有根据深圳证券交易所《股票上市规则》等有关规定 应予以披露而未披露的、对公司股票及其衍生品种交易价格产生较大影响的信息； 公司前期披露的信息不存在需要更正、补充之处。 二、公司关注、核实情况的说明 针对公司股票交易异常波动的情况，公司进行了自查，并就 ...

证券代码：002549 证券简称：凯美特气 公告编号：2025-007 湖南凯美特气体股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，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 湖南凯美特气体股份有限公司（以下简称"公司"）股票（证券简称：凯美 特气，证券代码：002549）2025 年 3 月 27 日、2025 年 3 月 28 日连续两个交易 日内收盘价格涨幅偏离值累计超过 20%，根据深圳证券交易所相关规定，属于股 票价格异常波动的情形。 二、公司关注、核实情况的说明 2、公司未发现近期公共传媒报道了可能或已经对本公司股票交易价格产生 较大影响的未公开重大信息。 3、公司近期生产经营情况正常，内外部经营环境未发生且未有预计将要发 生的重大变化。 4、经核实，公司及控股股东、实际控制人不存在关于公司应披露而未披露 的重大事项，或处于筹划阶段的重大事项。 针对公司股票交易异常波动的情况，公司进行了自查，并就相关事项进行了 核实，现就有关情况说明如下： 1、截至本公告披露日，公司前期披露的信息不存在需要更正、补充之处。 1、经自查，公司不 ...

Core Viewpoint - The company has approved the use of temporarily idle raised funds for cash management, aiming to enhance the efficiency of fund utilization while ensuring that it does not affect the ongoing investment projects and normal operations of the company [2][5]. Group 1: Fund Management Approval - The company held board and shareholder meetings to approve the use of up to 300 million RMB of temporarily idle raised funds for cash management, with a validity period of 12 months from the date of approval [2]. - The decision is made to gradually invest the raised funds based on actual project needs, thereby improving fund utilization efficiency [2]. Group 2: Current Status of Fund Management - As of the announcement date, the company has utilized a total of 220 million RMB of temporarily idle raised funds for cash management, which is within the approved limit of 300 million RMB [5]. Group 3: Impact on Company Operations - The cash management of temporarily idle raised funds will not affect the normal turnover of the company's daily funds, the implementation of investment projects, or the normal use of raised funds [5]. - This approach is expected to increase the returns on the raised funds, aligning with the interests of the company and all shareholders [5]. Group 4: Risk Control Measures - The company will adhere to prudent investment principles, selecting low-risk investment products and conducting regular monitoring of fund usage [3]. - Internal audit departments will oversee the daily supervision of fund usage, and independent directors and supervisors will have the authority to inspect fund usage [3].