Core Viewpoint - The news highlights a significant breakthrough in the field of combustible ice, with advancements in methane direct catalytic conversion technology, which could lead to efficient utilization of natural gas hydrate resources in China's South China Sea [7][8]. Group 1: Market Performance - The combustible ice concept index rose by 1.44%, with key stocks like ShenKai Co., Ltd. (002278) hitting the daily limit up, while others such as XinJin Power (300157) and Shandong Molong (002490) also saw gains [5]. - Major stocks related to combustible ice, including China National Petroleum Corporation and China Petroleum & Chemical Corporation, have market capitalizations exceeding 100 billion yuan, with China National Petroleum leading at approximately 1562.183 billion yuan [9]. - The stock price of Wolong Electric Drive (600580) fell by 10% after a period of significant gains, indicating volatility in the market [1]. Group 2: Technological Advancements - A research team from Hainan University has developed a new catalytic system that achieves nearly 100% selectivity in converting gaseous methane into liquid methanol, providing a core technology solution for the efficient utilization of natural gas hydrate resources [7]. - The breakthrough is expected to facilitate the commercial development of combustible ice in China by around 2030, aligning with the country's dual carbon goals [8]. Group 3: Financial Performance - Among the companies involved in the combustible ice sector, ShenKai Co. and China Heavy Industry are projected to see significant profit increases, with net profit growth estimates of 183% and 181.09% respectively [10]. - China Petroleum & Chemical Corporation is expected to report a net profit of approximately 20.1 billion to 21.6 billion yuan, reflecting a year-on-year decrease of 39.5% to 43.7% [9].

Market Overview - The market experienced fluctuations throughout the day, with the three major indices showing mixed results. The total trading volume in the Shanghai and Shenzhen markets reached 2.42 trillion yuan, an increase of 158 billion yuan compared to the previous trading day, marking the seventh consecutive day with trading volume exceeding 2 trillion yuan [1]. Sector Performance - The market showed a chaotic trend with more stocks declining than rising, as over 3,000 stocks fell. Notably, digital currency concept stocks surged collectively, with companies like Yuyin Co., Ltd. hitting the daily limit. Oil and gas stocks were active, with Zhun Oil Co., Ltd. also reaching the daily limit. Bank stocks performed strongly, with Agricultural Bank of China and Postal Savings Bank of China both hitting historical highs. Conversely, high-priced stocks saw significant declines, with companies like Feilong Co., Ltd. hitting the daily limit down. The sectors with the highest gains included oil and gas, digital currency, beauty and personal care, and banking, while rare earth permanent magnets, PEEK materials, liquid cooling servers, and CPO sectors faced the largest declines [2]. Institutional Activity - Institutional participation decreased compared to the previous day, with 27 stocks having a net buy/sell amount exceeding 10 million yuan. Among these, 10 stocks were net bought and 17 were net sold. Notable net purchases included Zhongdian Xilong at 1.09 billion yuan, Chuangyitong at 62.83 million yuan, and Nanfang Jinggong at 60.58 million yuan. On the selling side, Hengbao Co., Ltd. saw a net sell of 1.09 billion yuan, followed by Songyuan Safety at 75.23 million yuan and Kechuang Information at 72.57 million yuan [3].

人民财讯8月21日电，中国石化（600028）消息，中国石化江汉油田红星页岩气田1650.25亿立方米页岩 气探明储量，顺利通过自然资源部审定，标志着我国又一大型页岩气田正式诞生，进一步证明红星地区 具有良好的资源潜力。 ...

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 000968 | 蓝焰控股 | 7.35 | 1.94% | 24.18万 | | 1.77亿 | | 600938 | 與奧圖士 | 25.77 | 0.74% | 38.34万 | | 9.87亿 | | 600759 | 洲际油气 | 2.41 | 0.00% | 282.70万 | | 6.85 Z | | 600777 | *ST新潮 | 4.27 | -0.70% | 30.34万 | | 1.30亿 | 证券之星消息，8月21日油气开采板块较上一交易日上涨0.42%，蓝焰控股领涨。当日上证指数报收于 3771.1，上涨0.13%。深证成指报收于11919.76，下跌0.06%。油气开采板块个股涨跌见下表： 从资金流向上来看，当日油气开采板块主力资金净流出1.35亿元，游资资金净流入6028.25万元，散户资 金净流入7502.65万元。油气开采板块个股资金流向见下表： | 代码 | 名称 | 主力净流入（元） | | ...

【导读】市场小幅跳水，DeepSeek发布升级版AI模型 兄弟姐妹们啊，今天的市场有些降温！两点半左右，市场一度跳水，所幸尾盘又拉升了一下，一起看看发生了什么事！ 震荡跳水 8月21日，A股冲高回落，14:20，市场开始跳水，三大指数一度全部翻绿，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 超1.5%。 | 代码 | 名称 | | 涨幅% | 现价 | | --- | --- | --- | --- | --- | | 688489 | 三未信安 | િર | 20.01 | 51.70 | | 3003ES | 北信源 | R | 19.97 | 7.57 | | 300730 | 科创信息 | . | 13.17 | 21.65 | | 300542 | 新晨科技 | | 12.59 | 24.68 | | 688201 | 信安世纪 | િર | 11.00 | 13.62 | | 002177 | 御银股份 | R | 10.05 | 9.09 | | 603123 | 密微股份 | R | 10.02 | 15.37 | | 000617 | 中油资本 | ...

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） ...

今日A股市场全天震荡调整，三大指数涨跌不一。沪深两市全天成交额2.42万亿，较上个交易日放量158亿，成交额连续7个交易日超2万亿。 盘面上，市场热点较为杂乱，个股跌多涨少，全市场超3000只个股下跌。从板块来看，数字货币概念股集体大涨，御银股份等多股涨停。油气股表现活 跃，准油股份涨停。银行股逆势走强，农业银行、邮储银行双双创历史新高。下跌方面，高位股集体大跌，飞龙股份等多股跌停。 板块方面，油气、数字货币、美容护理、银行等板块涨幅居前，稀土永磁、PEEK材料、液冷服务器、CPO等板块跌幅居前。 截至收盘，沪指涨0.13%，深成指跌0.06%，创业板指跌0.47%。 来源：智通财经 ...

8月21日，页岩气概念上涨1.03%，今日主力资金流入4.8亿元，概念股20只上涨，12只下跌。 主力资金净流入居前的分别为神开股份（2.26亿元）、中国石化（1.27亿元）、永泰能源（1.12亿 元）、重庆路桥（5571.61万元）、中国石油（4025.79万元）。 序号代码名称最新价涨跌幅主力净流入主力净占比1002278神开股份11.4410.02.26亿元25.53%2600028中 国石化5.862.451.27亿元7.47%3600157永泰能源1.461.391.12亿元11.21%4600106重庆路桥7.62.845571.61 万元12.17%5601857中国石油8.751.514025.79万元3.22%6300072海新能科3.744.183829.19万元 10.22%7002318久立特材22.651.83498.41万元8.79%8300164通源石油5.442.643406.26万元5.18%9300084 海默科技8.552.642289.22万元6.42%10300157新锦动力5.565.91436.63万元1.62% 来源：金融界 ...

| 门 代码 | 名称 | 现价 | 涨跌 | 涨幅 | | --- | --- | --- | --- | --- | | 000001 | 上证指数 | 3771.10 | +4.89 | +0.13% | | 399001 | 深证成指 | 11919.76 | -6.98 | -0.06% | | 399006 | 创业板指 | 2595.47 | -12.18 | -0.47% | 盘面上，可燃冰板块走全天强势，神开股份涨停；油气开采板块走强，准油股份涨停；跨境支付板块爆发，三未信安、天融信等多股 涨停；银行股走高，青岛银行、农业银行涨超2%；钛白粉、电力、猪肉、燃气、数据安全等板块上涨。 另外，稀土永磁板块回调，北矿科技、金田股份跌停；液冷服务器板块下挫，川润股份、飞龙股份等多股跌停；光刻机、PCB概念、 PEK材料、人形机器人、电池、白酒等板块走低。 8月21日，A股主要指数涨跌不一，沪指涨0.13%报3771点，续创10年新高；深证成指跌0.06%，创业板指跌0.47%。全市场近3100股下 跌。沪深两市全天成交额2.42万亿，较上个交易日放量158亿。 具体来看： 可燃冰板块领涨，神开股份涨 ...

Group 1 - The A-share market experienced fluctuations with mixed performance across the three major indices, with the Shanghai Composite Index rising by 0.13% while the Shenzhen Component and ChiNext indices fell by 0.06% and 0.47% respectively [3] - The total trading volume in the Shanghai and Shenzhen markets reached 2.42 trillion, an increase of 158 billion compared to the previous trading day, marking the seventh consecutive day of trading volume exceeding 2 trillion [1][6] - The market showed a diverse range of performance among individual stocks, with over 3,000 stocks declining, while digital currency concept stocks and oil and gas stocks saw significant gains, including multiple stocks hitting the daily limit up [1][2] Group 2 - Key sectors that performed well included oil and gas, digital currency, beauty care, and banking, while sectors such as rare earth permanent magnets, PEEK materials, liquid cooling servers, and CPO experienced declines [2] - The limit-up performance rate was recorded at 61%, with 43 stocks hitting the limit up and 27 stocks touching the limit down, indicating a volatile trading environment [6]