（文章来源：每日经济新闻） 每经AI快讯，凯美特气涨5.02%，报26.38元/股，股价再创新高，总市值突破183.43亿元，成交额达1.17 亿元。 ...

Group 1 - Tianpu Co., Ltd. (605255) has experienced a 15-day consecutive trading limit increase, with a total rise of 317.72%, leading to a suspension for stock trading review due to significant deviation from its fundamentals [3] - The semiconductor testing equipment leader, Changchuan Technology (300604), expects a net profit increase of over 130% year-on-year for the first three quarters of this year, boosting investor interest in semiconductor stocks [1] - Fulongma (603686) announced that former supervisor Shen Jiaqing reduced his holdings by 199,600 shares, accounting for 0.048% of the company's total equity [4] Group 2 - The stock market saw a rebound with the ChiNext index turning positive after a drop of over 2%, and the total trading volume in the Shanghai and Shenzhen markets reached 2.49 trillion, an increase of 372.9 billion from the previous trading day [1] - The stock of Shenzhou Holdings (688585) has undergone a share transfer, with the controlling shareholder changing to Zhiyuan Hengyue, which now holds 29.99% of the shares [2] - The U.S. stock market saw all three major indices decline, with the Dow Jones down 0.19%, Nasdaq down 0.95%, and S&P 500 down 0.55%, indicating a broader trend of decline in large tech stocks [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15.63亿元，其中，买入成交额为6.27亿 元，卖出成交额为9.37亿元，合计净卖出3.10亿元。 具体来看，今日上榜的营业部中，共有2家机构专用席位现身，即买二、买五、卖五，合计买入金额 1.42亿元，卖出金额9357.35万元，合计净买入4812.63万元，深股通为第一大买入营业部及第一大卖出 营业部，买入金额为3.82亿元，卖出金额为3.99亿元，合计净卖出1728.04万元。 近半年该股累计上榜龙虎榜21次，上榜次日股价平均涨3.46%，上榜后5日平均涨1.39%。 资金流向方面，今日该股主力资金净流出3.02亿元，其中，特大单净流出6842.97万元，大单资金净流出 2.34亿元。近5日主力资金净流入9.45亿元。 融资融券数据显示，该股最新（9月22日）两融余额为5.98亿元，其中，融资余额为5.97亿元，融券余额 为88.85万元。近5日融资余额合计增加2.15亿元，增幅为56.05%，融券余额合计增加24.27万元，增幅 37.59%。（数据宝） 凯美特气今日涨停，全天换手率31.45%，成交额51.66亿元，振幅14.18%。龙虎榜数 ...

Core Viewpoint - The lithography machine concept sector has shown a modest increase of 0.72%, ranking third among concept sectors in terms of growth, with notable stocks experiencing significant gains and losses [1][2]. Group 1: Market Performance - As of September 23, the lithography machine concept sector saw 19 stocks rise, with Wavelength Optoelectronics hitting a 20% limit up, while stocks like Zhangjiang Hi-Tech and Kaimete Gas also reached their upper limits [1]. - Leading gainers included Haili Co., Guangli Micro, and Kema Technology, which rose by 6.32%, 5.03%, and 4.86% respectively [1]. - Conversely, the biggest decliners were Saiwei Electronics, Meike Technology, and Su Da Weige, which fell by 4.87%, 4.00%, and 3.71% respectively [1]. Group 2: Capital Flow - The lithography machine concept sector experienced a net outflow of 1.384 billion yuan in main funds, with 9 stocks receiving net inflows, and 5 stocks seeing inflows exceeding 10 million yuan [2]. - Wavelength Optoelectronics led the net inflow with 94.82 million yuan, followed by Xinqi Micro, Huachen Equipment, and Fulede with net inflows of 78.58 million yuan, 41.88 million yuan, and 37.01 million yuan respectively [2][3]. Group 3: Stock Performance Metrics - In terms of net inflow ratios, Fulede, Huachen Equipment, and Xinqi Micro led with net inflow rates of 6.78%, 6.09%, and 5.32% respectively [3]. - The stock performance table indicates that Wavelength Optoelectronics had a daily increase of 20.00% with a turnover rate of 50.27%, while other notable stocks like Xinqi Micro and Huachen Equipment had increases of 3.73% and -3.36% respectively [3][4].

| 买入金额最大的前5名 | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 序号 | 交易营业部名称 | | | 买入金额(万) | 占总成交比例 | 卖出会领(万) | 占总成交比例 | 净额(万)0 | | 1 | 深股通专用 | 772次 47.02% | 0 | 38183.98 | 7.39% | 39912.02 | 7.73% | -1728.04 | | 2 | 机构专用 | 1733次 42.30% | ▲ | 9534.70 | 1.85% | 3617.53 | 0.70% | 5917.17 | | 3 | 开源证券股份有限公司西安西大街证券营业部 | 677次 49.04% | | 5146.21 | 1.00% | 1257.46 | 0.24% | 3888.75 | | 4 | 招商证券股份有限公司深圳招商证券大厦证券营业部 | 7次 42.86% | > | 5128.00 | 0.99% | 3039.26 | 0.59% | 2088.74 | | 5 | 机构专用 | ...

Group 1 - Kaimeteqi (002549.SZ) experienced a limit-up today, marking its fourth consecutive trading day of gains, with a turnover rate of 31.45% and a transaction volume of 5.166 billion yuan [1] - The data from the Dragon and Tiger list indicates that the Shenzhen Stock Connect bought 382 million yuan and sold 399 million yuan, resulting in a net sell of 17.28 million yuan [1] - Notable selling activity included "Mao Boss" who ranked second in selling with a net sell of 227 million yuan, and the "Foshan system" ranked fourth with a net sell of 95.32 million yuan [1] Group 2 - The top five buying departments accounted for a total buying amount of 626.74 million yuan, representing 12.13% of total transactions, while the top five selling departments accounted for a selling amount of 936.71 million yuan, representing 18.13% of total transactions, resulting in a net sell of 309.97 million yuan [1] - The largest buying department was the Shenzhen Stock Connect, which accounted for 47.02% of the total buying amount, while the largest selling department was the same, accounting for 7.73% of the total selling amount [1]

New Stock Listings - YouSheng Co., Ltd. (Stock Code: 603418) listed at an issue price of 46.36 RMB on September 23, 2025[1] - ZhiTianTui (Stock Code: 300280) is in the delisting preparation period with 8 trading days remaining[1] - ZhongHuanHaiLu (Stock Code: 301040) and JiShiChuanMei (Stock Code: 601929) have recent announcements regarding trading activities[1] Trading Alerts - XianDaoZhiNeng (Stock Code: 300450) reported severe abnormal fluctuations in trading[1] - HangKeKeJi (Stock Code: 688006) and YuanLinCo (Stock Code: 605303) have recent trading alerts[1] - Multiple stocks including YunNanLvYou (Stock Code: 002059) and *STMuBang (Stock Code: 603398) have recent announcements related to trading activities[1] Market Trends - A total of 30 stocks have been flagged for abnormal trading activities in the past week, indicating increased market volatility[1] - The recent trading patterns suggest a potential shift in investor sentiment, particularly in the technology and media sectors[1]

Core Viewpoint - The company has announced that it has not discovered any significant undisclosed information that may have impacted its stock trading price recently [1] Group 1: Company Operations - The company's recent production and operational conditions are normal [1] - There have been no significant changes in the internal and external operating environment [1] Group 2: Disclosure and Trading Activity - The company has verified that there are no undisclosed significant matters or matters in the planning stage [1] - During the period of unusual stock price fluctuations, the company's controlling shareholders and actual controllers did not engage in buying or selling the company's stock [1]

2025年9月22 - 23日，湖南凯美特气体股份有限公司（证券简称：凯美特气，证券代码：002549）股票 收盘价格涨幅偏离值累计超20%，属异常波动情形。公司进行自查与核实，前期披露信息无更正补充， 未发现传媒报道影响股价的未公开重大信息，生产经营正常，内外部环境无重大变化，公司及控股股 东、实控人无应披露未披露重大事项，异常波动期间控股股东、实控人无买卖公司股票情况。公司提示 风险，所有信息以指定媒体刊登为准。公告附询证函及回函、董事会说明等备查文件。 ...

证券代码：002549 证券简称：凯美特气 公告编号：2025-058 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）连续两个交易日内（2025 年 9 月 22 日、2025 年 9 月 23 日）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 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。 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 ...