Group 1 - The combustible ice concept rose by 3.12%, ranking first among concept sectors, with 12 stocks increasing, including ShenKong Co., which hit the daily limit, and others like QianNeng HengXin, XinJin Power, and China Oilfield Services showing gains of 6.41%, 5.90%, and 2.77% respectively [1] - The main capital inflow into the combustible ice sector was 364 million yuan, with 8 stocks receiving net inflows, and 5 stocks seeing inflows exceeding 10 million yuan, led by ShenKong Co. with a net inflow of 239 million yuan [1] - The top three stocks by net inflow were ShenKong Co., China Petroleum & Chemical Corporation, and China Oilfield Services, with net inflows of 239 million yuan, 111 million yuan, and 32 million yuan respectively [1] Group 2 - In terms of capital inflow ratios, ShenKong Co., China Oilfield Services, and China Petroleum & Chemical Corporation had the highest net inflow rates at 26.96%, 8.97%, and 6.54% respectively [2] - The capital inflow leaderboard for the combustible ice concept showed ShenKong Co. with a daily increase of 10.00% and a turnover rate of 24.14%, followed by China Petroleum & Chemical Corporation with a 2.45% increase and a turnover rate of 0.31% [2] - Other notable stocks included QianNeng HengXin with a 6.41% increase and a turnover rate of 10.84%, and XinJin Power with a 5.90% increase and a turnover rate of 23.00% [3]

Group 1 - The core viewpoint of the news is that the combustible ice concept has seen a significant increase of 3.12%, leading the concept sector in terms of growth [1][2] - Within the combustible ice sector, 12 stocks experienced gains, with ShenKong Co., Ltd. hitting the daily limit up, and other notable performers including QianNeng HengXin, XinJin Power, and China Oilfield Services, which rose by 6.41%, 5.90%, and 2.77% respectively [1][2] - The sector attracted a net inflow of 364 million yuan from main funds, with eight stocks receiving net inflows, and five stocks exceeding 10 million yuan in net inflow [2][3] Group 2 - ShenKong Co., Ltd. led the net inflow with 239 million yuan, followed by China Petroleum & Chemical Corporation and China Oilfield Services with net inflows of 111 million yuan and 32 million yuan respectively [2][3] - The net inflow ratios for leading stocks in the combustible ice sector were 26.96% for ShenKong Co., Ltd., 8.97% for China Oilfield Services, and 6.54% for China Petroleum & Chemical Corporation [3] - The trading volume and turnover rates for the top stocks in the sector indicate strong investor interest, with ShenKong Co., Ltd. showing a turnover rate of 24.14% [3]

（原标题：机械设备行业8月21日资金流向日报） 沪指8月21日上涨0.13%，申万所属行业中，今日上涨的有17个，涨幅居前的行业为农林牧渔、石油石化，涨幅分别为1.50%、1.39%。跌幅居前的 行业为机械设备、电力设备，跌幅分别为1.08%、0.98%。机械设备行业位居今日跌幅榜首位。 机械设备行业今日下跌1.08%，全天主力资金净流出82.42亿元，该行业所属的个股共530只，今日上涨的有131只，涨停的有3只；下跌的有392 只，跌停的有2只。以资金流向数据进行统计，该行业资金净流入的个股有157只，其中，净流入资金超5000万元的有8只，净流入资金居首的是神 开股份，今日净流入资金2.39亿元，紧随其后的是中国中车、罗博特科，净流入资金分别为1.49亿元、1.46亿元。机械设备行业资金净流出个股 中，资金净流出超亿元的有22只，净流出资金居前的有英维克、东方精工、利欧股份，净流出资金分别为6.08亿元、5.69亿元、4.82亿元。（数据 宝） 机械设备行业资金流入榜 | 代码 | 简称 | 今日涨跌幅（%） | 今日换手率（%） | 主力资金流量（万元） | | --- | --- | --- | - ...

Group 1 - The core viewpoint of the news is that ShenKai Co., Ltd. has seen a significant increase in its stock price, closing at 11.44 yuan, up 10.00%, with a rolling PE ratio of 76.90, marking a new low in 102 days [1] - The total market capitalization of ShenKai Co., Ltd. is 4.163 billion yuan, and it ranks 190th in the specialized equipment industry, which has an average PE ratio of 80.02 and a median of 61.26 [1] - As of April 30, 2025, the number of shareholders in ShenKai Co., Ltd. is 60,721, a decrease of 13,650 from the previous count, with an average holding value of 352,800 yuan and an average holding quantity of 27,600 shares [1] Group 2 - The main business of Shanghai ShenKai Petrochemical Equipment Co., Ltd. includes research, development, manufacturing, and sales of equipment in the fields of oil exploration, drilling, and refining [1] - The company's primary products consist of oil drilling equipment, logging equipment and services, while drilling equipment and services, oil analyzers, logging instruments and services, as well as property leasing and management [1] - In the latest quarterly report for Q1 2025, the company achieved an operating income of 202 million yuan, a year-on-year increase of 41.78%, and a net profit of 18.46 million yuan, a year-on-year increase of 434.81%, with a gross profit margin of 33.79% [1]

A股三大指数21日涨跌不一，截至收盘，沪指涨0.13%，深成指跌0.06%，创业板指跌0.47%，北证50指 数跌1.60%，沪深京三市全天成交额24603亿元，较上日放量119亿元。全市场超2100只个股上涨。 板块 题材上，跨境支付、油气开采及服务、可燃冰板块走高，PCB概念、液冷服务器板块调整。 盘面上， 跨境支付板块全线走强，三未信安、新晨科技20CM涨停封板，中油资本、天融信等涨停封板。油气开 采及服务板块走高，淮油股份涨停封板。可燃冰板块走强，神开股份涨停。PCB概念走弱，崇达技术跌 停。液冷服务器板块走弱，川润股份、飞龙股份、腾龙股份、金田股份跌停。 （来源同花顺，以上信息为南都·湾财社AI大数据自动生成） ...

Core Viewpoint - The shale gas sector experienced a 1.03% increase on August 21, with a net inflow of 480 million yuan in main capital, indicating positive investor sentiment towards the sector [1] Group 1: Market Performance - A total of 20 shale gas concept stocks rose, while 12 declined, reflecting a mixed performance within the sector [1] - The leading stocks by net capital inflow were ShenKai Co. (226 million yuan), Sinopec (127 million yuan), Yongtai Energy (112 million yuan), Chongqing Road and Bridge (55.71 million yuan), and PetroChina (40.26 million yuan) [1] Group 2: Individual Stock Performance - ShenKai Co. had a latest price of 11.44 with a rise of 10.0% and a net inflow of 226 million yuan, accounting for 25.53% of the main capital [1] - Sinopec's latest price was 5.86, increasing by 2.45% with a net inflow of 127 million yuan, representing 7.47% of the main capital [1] - Yongtai Energy's latest price was 1.46, up by 1.39% with a net inflow of 112 million yuan, making up 11.21% of the main capital [1] - Chongqing Road and Bridge saw a price of 7.62, increasing by 2.84% with a net inflow of 5.57 million yuan, which is 12.17% of the main capital [1] - PetroChina's latest price was 8.75, with a rise of 1.51% and a net inflow of 4.03 million yuan, accounting for 3.22% of the main capital [1]

Core Viewpoint - The A-share market's combustible ice sector has seen significant gains, driven by a major breakthrough in methane direct catalytic conversion technology by a research team from Hainan University, which has implications for the efficient utilization of natural gas hydrate resources in the South China Sea [1] Group 1: Market Reaction - The stocks in the combustible ice sector, including ShenKai Co., Ltd., gained over 7%, while QianNeng HengXin and HaiMo Technology rose by more than 5% and 4% respectively [1] Group 2: Technological Breakthrough - The research team achieved a revolutionary breakthrough in methane direct catalytic conversion, developing a new catalytic system with nearly 100% selectivity [1] - The new technology allows for the efficient conversion of gaseous methane into high-value liquid fuel methanol at a low temperature of only 70°C, enhancing safety, energy efficiency, and environmental sustainability [1] - The results indicate a methanol selectivity of 99.7%, achieving almost "zero loss" in the conversion process, which presents high commercial application potential and economic value [1]

Group 1 - The core viewpoint of the news is that the A-share market's combustible ice concept stocks have seen significant gains following a major breakthrough in methane direct catalytic conversion technology by a Chinese research team [1] - The research team from Hainan University has developed a new catalytic system that achieves nearly 100% selectivity in converting gaseous methane into high-value liquid fuel methanol, providing a core technology solution for the efficient utilization of natural gas hydrate resources in the South China Sea [1] - The breakthrough technology demonstrates two major innovations: a methanol selectivity of 99.7%, indicating almost "zero loss" in conversion, and a low-temperature process requiring only 70°C, enhancing safety, energy efficiency, and environmental sustainability for future industrial production [1] Group 2 - The stock performance of key companies in the combustible ice sector includes: - ShenKong Co., Ltd. (涨停) with a market cap of 4.163 billion and a year-to-date increase of 115.85% [2] - QianNeng HengXin (涨近7%) with a market cap of 7.142 billion and a year-to-date increase of 74.38% [2] - HaiMo Technology (涨超3%) with a market cap of 4.403 billion and a year-to-date increase of 60.41% [2] - China Oilfield Services (涨超2%) with a market cap of 68.8 billion and a year-to-date decrease of 3.90% [2] - NanGang Co., Ltd. (涨超2%) with a market cap of 29.7 billion and a year-to-date increase of 4.69% [2]

每经AI快讯，8月21日，可燃冰概念午后拉升，神开股份涨停，此前准油股份涨停，新锦动力、巨力索 具、潜能恒信等跟涨。 （文章来源：每日经济新闻） ...

Market Overview - The three major indices collectively rose, with the Shanghai Composite Index up by 0.35%, the Shenzhen Component Index up by 0.45%, and the ChiNext Index up by 0.21%. However, the North China 50 Index fell by 0.96% [1] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 1.5912 trillion yuan, an increase of 56.2 billion yuan compared to the previous day. Over 2,500 stocks in the market experienced gains [1] Sector Performance - The cross-border payment, oil and gas exploration and services, and combustible ice sectors showed strong performance, while the PCB concept and liquid cooling server sectors experienced adjustments [2] - The cross-border payment sector was particularly strong, with companies such as Sanwei Xinan and New Morning Technology hitting the daily limit, along with Zhongyou Capital and Tianrongxin also reaching the daily limit [2] - The oil and gas exploration and services sector saw gains, with Huaiyou Co. hitting the daily limit [2] - The combustible ice sector performed well, with companies like Xinjing Power and Shenkai Co. rising over 8% [2] - Conversely, the PCB concept weakened, with Chongda Technology nearing the daily limit down [2] - The liquid cooling server sector also declined, with companies like Tenglong Co. and Jintian Co. hitting the daily limit down [2]