Market Overview - As of June 4, the Shanghai Composite Index rose by 0.42%, closing at 3376.2029 points, while the Shenzhen Component Index increased by 0.87%, closing at 10144.581 points [1] Top Gainers in Hunan Stocks - Jiuzi Tang opened at 9.570 and closed at 10.290, achieving a daily increase of 10.05% with a trading volume of 876,841 shares [2] - Yueyang Xingchang opened at 14.150 and closed at 15.090, marking a rise of 6.49% with a trading volume of 113,879 shares [2] - Yanjinpuzi opened at 91.810 and closed at 97.710, reflecting a gain of 5.88% with a trading volume of 488,780 shares [2] - Aoshikang opened at 25.310 and closed at 26.440, resulting in a 5.00% increase with a trading volume of 65,263 shares [2] - Tongcheng Holdings opened at 5.530 and closed at 5.720, showing a rise of 3.25% with a trading volume of 202,102 shares [2] Top Losers in Hunan Stocks - Shanhe Intelligent opened at 7.800 and closed at 7.710, experiencing a decline of 3.75% with a trading volume of 676,365 shares [3] - Kaimeteqi opened at 10.360 and closed at 10.300, down by 1.15% with a trading volume of 688,122 shares [3] - Yipuli opened at 11.770 and closed at 11.640, reflecting a decrease of 1.02% with a trading volume of 45,243 shares [3] - ST Jiajia opened at 7.980 and closed at 7.910, down by 0.88% with a trading volume of 48,649 shares [3] - Qidi Pharmaceutical opened at 9.500 and closed at 9.430, experiencing a decline of 0.42% with a trading volume of 56,607 shares [3]

Market Performance - The photoresist concept sector declined by 1.60%, ranking among the top declines in the concept sector as of the market close on May 28 [1] - Within the sector, stocks such as Guofeng New Materials, Xilong Science, and Kent Catalysts experienced significant declines, while 16 stocks saw price increases, with Ruile New Materials, Tongcheng New Materials, and Aolaide leading the gains at 5.08%, 2.99%, and 2.74% respectively [1] Capital Flow - The photoresist concept sector experienced a net outflow of 1.135 billion yuan, with 51 stocks seeing net outflows, and 7 stocks having outflows exceeding 50 million yuan [2] - The stock with the highest net outflow was Kaimete Gas, with a net outflow of 274 million yuan, followed by Hongbaoli, Feikai Materials, and Guofeng New Materials with net outflows of 198 million yuan, 115 million yuan, and 79.89 million yuan respectively [2] Top Gainers and Losers - The top gainers in the photoresist concept stocks included Tongcheng New Materials, Ruile New Materials, and Qicai Chemical, with net inflows of 37.81 million yuan, 36.54 million yuan, and 30.98 million yuan respectively [2][4] - The stocks with the largest declines included Kaimete Gas at -3.90%, Hongbaoli at -5.13%, and Feikai Materials at -4.16% [3][4]

Group 1: Market Overview - The easing of trade tensions in Europe and the US has led to an increase in consumer confidence, resulting in significant gains in US stock markets, with the Dow Jones rising by 1.78%, S&P 500 by 2.05%, and Nasdaq by 2.47% [1] - Tesla shares surged nearly 7%, leading the tech giants, while Nvidia saw a pre-earnings increase of over 3% [1] - Chinese concept stocks faced challenges, with Pinduoduo's Q1 revenue falling short of expectations, leading to a nearly 14% drop in its stock price [1] Group 2: Domestic Developments - The total scale of public offerings in China has surpassed 33 trillion yuan for the first time, marking the seventh historical high since early 2024 [7] - The Ministry of Industry and Information Technology, along with other agencies, issued a plan to enhance digital transformation in the electronic information manufacturing industry, focusing on advanced computing and AI applications [7] - Beijing's economic bureau released an action plan to empower new industrialization through AI, aiming to develop leading models and support flexible production lines for smart products [7] Group 3: Sector Insights - The motorcycle sector is experiencing a revival, with reports indicating a shift in regulations allowing motorcycle use in cities, potentially doubling domestic sales of large-displacement motorcycles to 800,000 units by 2030, with an annual growth rate of 12% [9] - The machine tool industry is set for growth, with a focus on upgrading old machines and integrating AI technology, as the domestic CNC rate has significant room for improvement compared to Japan and Germany [10] - The ultra-high voltage (UHV) power transmission sector is expected to benefit from domestic grid upgrades and international expansion, with a projected market growth rate of over 15% [11] Group 4: Company News - Xiaomi's new car model, YU7, has received a strong response, with user inquiries exceeding those for the previous model, SU7, by three times, indicating a positive market reception ahead of its expected launch in July [12][14] - Zhongcheng Co. plans to acquire 100% of Jiangsu Zhongji's equity, aiming to enhance its capabilities in energy storage projects and expand its industry chain [15] - The company Dingyang Technology has launched a new high-resolution digital oscilloscope series, indicating ongoing innovation in the tech sector [15]

Group 1 - The Ministry of Industry and Information Technology, the Ministry of Science and Technology, and the Ministry of Finance issued a plan to enhance the digital transformation of the electronic information manufacturing industry, focusing on the construction of new information infrastructure and the large-scale application of advanced computing, 5G-A, and artificial intelligence [1] - The State Council's Anti-Monopoly and Anti-Unfair Competition Committee held a meeting to discuss key tasks such as accelerating the establishment of a unified national market, addressing "involution" competition, and strengthening competition regulatory enforcement [1] - Several companies in the automotive industry received notifications to participate in a seminar aimed at promoting high-quality development of the used car market, focusing on "zero-kilometer" used cars and further stimulating used car circulation consumption [1] Group 2 - Xiaomi Group reported a 47.4% year-on-year increase in revenue for Q1 2025, with adjusted net profit rising by 64.5%; the company delivered 75,869 units of the SU7 series electric vehicles, generating 18.1 billion yuan in revenue from smart electric vehicles [1]

Core Viewpoint - The company announced that the recent certification of its subsidiary's photolithography gas products will not have a direct impact on its revenue or profits from these products [1] Group 1 - The company's stock experienced an abnormal trading fluctuation, with a cumulative closing price increase of over 20% on May 26 and 27, 2025 [1] - The certification received from GIGAPHOTON, a Japanese company, was disclosed voluntarily on May 14, 2025 [1] - The company reassured investors that the certification will not affect its financial performance related to photolithography gas products [1]

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 5 月 26 日、2025 年 5 月 27 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 证券代码：002549 证券简称：凯美特气 公告编号：2025-035 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。 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、截至目前，公司前期披露的信息不存在需要更正、补充之处。 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。 公司前期披露的信息不存在需要更正、补充之处。 四、风险提示 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 ...

Market Overview - The Shanghai Composite Index fell by 0.05%, the Shenzhen Component Index decreased by 0.41%, and the ChiNext Index dropped by 0.80% on May 26, with a total market turnover of 1,033.9 billion yuan, a decrease of 148.7 billion yuan from the previous day [1] - Nearly 3,800 stocks rose, with sectors such as controlled nuclear fusion, gaming, and beverage manufacturing leading the gains [1] Stock Performance - A total of 62 stocks hit the daily limit, with 10 stocks on consecutive limit-up days, and 23 stocks failed to hit the limit, resulting in a limit-up rate of 73% (excluding ST and delisted stocks) [3] - Notable stocks include: - Super Control Holdings with 16 consecutive limit-up days - Ha Welding Technology with 20% limit-up on two consecutive days - Suzhou Longjie with 12 limit-up days in 8 days [3] Key Stocks and Transactions - Wuhan Fanggu achieved a limit-up with a turnover of 1.244 billion yuan and a turnover rate of 16.75%, with net purchases from the Shenzhen Stock Connect special seat amounting to 86.06 million yuan [6][10] - Hongbo Co. also reached a limit-up with a turnover of 2.737 billion yuan and a turnover rate of 33.82%, with institutional net selling of 47.87 million yuan [15][16] - Kaimeite Gas hit a limit-up with a turnover of 1.318 billion yuan and a turnover rate of 19.02%, with institutional net purchases of 49.61 million yuan [20][21] Institutional Activity - The top three net purchases by institutions on the day were Wuhan Fanggu, Hongbo Co., and Kaimeite Gas, with net purchases of 194 million yuan, 170 million yuan, and 164 million yuan, respectively [6] - The top three net sales by institutions were Zhongzhou Special Materials, Snowman Co., and New World, with net sales of 104 million yuan, 92 million yuan, and 86 million yuan, respectively [7] Sector Highlights - The controlled nuclear fusion sector showed strong performance, with multiple stocks achieving significant gains [3] - The gaming sector also saw notable activity, contributing to the overall market performance [1] Summary of Key Stocks - Star Technology reached a limit-up with a turnover of 1.327 billion yuan and a turnover rate of 11.86%, with institutional net purchases of 59.82 million yuan [25] - Baobian Electric achieved a limit-up with a turnover of 1.266 billion yuan and a turnover rate of 7.41%, with net purchases from the Shanghai Stock Connect special seat amounting to 26.30 million yuan [25][29]

Core Insights - The pharmaceutical sector experienced a significant net outflow of over 1.578 billion yuan, indicating a negative trend in investor sentiment towards this industry [1][2] - In contrast, sectors such as cultural media, transportation, and precious metals saw net inflows, with cultural media leading at 0.557 billion yuan [1][2] Sector Summary - **Net Inflows**: - Cultural Media: 0.557 billion yuan, 3.93% net inflow rate [2] - Transportation: 0.398 billion yuan, 3.41% net inflow rate [2] - Precious Metals: 0.263 billion yuan, 4.34% net inflow rate [2] - Environmental Protection: 0.237 billion yuan, 4.23% net inflow rate [2] - Power Grid Equipment: 0.232 billion yuan, 1.38% net inflow rate [2] - **Net Outflows**: - Pharmaceuticals: -1.578 billion yuan, -3.26% net outflow rate [2] - Transportation Equipment: -1.219 billion yuan, -2.58% net outflow rate [2] - Complete Automobiles: -0.826 billion yuan, -4.66% net outflow rate [2] - Machinery Equipment: -0.825 billion yuan, -1.54% net outflow rate [2] - Chemical Pharmaceuticals: -0.806 billion yuan, -3.80% net outflow rate [2] Stock Performance - **Top Net Inflows**: - Wuhan Fangu: 0.462 billion yuan, 40.88% net inflow rate [3] - Baobian Electric: 0.322 billion yuan, 26.83% net inflow rate [3] - Shanghai Electric: 0.297 billion yuan, 9.03% net inflow rate [3] - Kaimete Gas: 0.295 billion yuan, 30.69% net inflow rate [3] - Zhongke Information: 0.224 billion yuan, 22.30% net inflow rate [3] - **Top Net Outflows**: - Seris: -0.375 billion yuan, -9.49% net outflow rate [4] - Ningde Times: -0.352 billion yuan, -7.57% net outflow rate [4] - Zhongchao Holdings: -0.296 billion yuan, -11.46% net outflow rate [4] - Huibo Yuntong: -0.281 billion yuan, -10.28% net outflow rate [4] - BYD: -0.247 billion yuan, -4.02% net outflow rate [4]

光刻机概念股再度异动 凯美特气涨停 智通财经5月26日电，光刻机概念股盘中异动，凯美特气涨停，新莱应材、富创精密、波长光电涨超 5%，国林科技、茂莱光学、海立股份、蓝英装备等跟涨。 ...

证券代码：002549 证券简称：凯美特气 公告编号：2025-034 湖南凯美特气体股份有限公司 2024 年度股东大会决议的公告 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。 重要提示： 4、现场会议召开地点：湖南省岳阳市岳阳楼区延寿寺路凯美特气 212 会议 室。 5、会议召集人：公司董事会 1、本次股东大会采取现场投票与网络投票相结合的表决方式。 2、本次股东大会在会议召开期间无增加、否决或变更议案。 3、本次股东大会不涉及变更前次股东大会决议的情况。 一、会议召开基本情况 1、会议的通知：湖南凯美特气体股份有限公司（以下简称"公司"）于 2025 年 4 月 25 日在《中国证券报》《上海证券报》《证券日报》《证券时报》和巨潮资 讯网 http://www.cninfo.com.cn 披露了《关于召开 2024 年度股东大会的通知》 （公告编号：2025-030）。 2、会议召开时间： 现场会议召开时间：2025 年 5 月 16 日（星期五）上午 10:00 网络投票时间：通过深圳证券交易所交易系统进行网络投票的具体时间为： 2025 年 5 月 ...