7月31日，上证指数下跌1.18%，深证成指下跌1.73%，创业板指下跌1.66%。盘后龙虎榜数据显示，共 有50只个股因当日异动登上龙虎榜，资金净流入最多的是诺德股份（600110.SH），达4.23亿元。 据21投资通智能监测，26只个股龙虎榜出现了机构的身影，北向资金参与龙虎榜中的个股共涉及16只。 4.23亿资金抢筹诺德股份，1.98亿资金出逃亚太药业 50只上榜的龙虎榜个股中，31只个股被净买入，19只个股被净卖出。其中，资金净买入最多的是诺德股 份，达4.23亿元，占总成交金额的22.01%。诺德股份当日收盘上涨10.02%，换手率为17.98%。 而龙虎榜中资金净流出最多的是亚太药业（002370.SZ），被净卖出为1.98亿元，占总成交金额的 10.06%。亚太药业收盘下跌6.14%，换手率为37.4%。 机构净卖出的个股中，金额最多的是东芯股份（688110.SH），当日收盘上涨19.99%，换手率为 7.22%。 北向资金净买入11股，净卖出5股 7月31日，北向资金参与龙虎榜中的个股共有16只，合计净买入7.96亿元。其中沪股通净买入6 股，净卖 出2 股，合计净买入6.2亿元；深股通净 ...

（原标题：揭秘涨停丨这一板块掀起涨停潮） 以封单金额计算，10股封单资金均超亿元。其中，英维克、胜通能源、东芯股份3股封单资金均在3亿元 以上，分别为4.61亿元、3.91亿元、3.02亿元。 英维克具有液冷服务器+数据中心+英伟达概念。此前，英维克表示，目前公司服务器侧有提供液冷散 热解决方案，同时数据中心机房侧提供风冷、液冷散热解决方案，以适配各种场景的算力需求。 人工智能发展势头强劲，算力需求旺盛，推动液冷服务器成为刚需硬件。中商产业研究院报告显示， 2023年中国液冷服务器市场规模约为109亿元，同比增长49.3%。该机构预测，到2027年，中国液冷服 务器市场规模将超680亿元。 龙头点睛：液冷服务器板块多股涨停 10股封单资金均超1亿元。 涨停战场：英维克封单资金超4亿元 据证券时报·数据宝统计，今日（7月31日），从收盘涨停板封单量来看，胜通能源、文科股份、利德曼 封单量排名前三，依次为30.73万手、27.46万手、22.27万手；诺德股份、德展健康、英维克等个股封单 量均在10万手以上。 从连续涨停天数来看，西藏旅游斩获9连板，7月15日以来累计涨幅134.22%；安正时尚和中化装备等个 股 ...

盘后数据显示，7月31日龙虎榜中，共39只个股出现了机构的身影，21只股票呈现机构净买入，18只股 票呈现机构净卖出。当天机构净买入前三的股票分别是工业富联、禾望电气、易点天下，净买入金额分 别是14.98亿元、4.57亿元、1.73亿元。当天机构净卖出前三的股票分别是东芯股份、新恒汇、共创草 坪，净流出金额分别是1.19亿元、7162万元、4731万元。（第一财经） ...

Market Overview - The Shanghai Composite Index closed at 3573.21 points, down 1.18%, with a trading volume of 845.89 billion yuan [1] - The Shenzhen Component Index closed at 11009.77 points, down 1.73%, with a trading volume of 1090.14 billion yuan [1] - The ChiNext Index closed at 2328.31 points, down 1.66%, with a trading volume of 544.39 billion yuan [1] - The STAR 50 Index closed at 1047.87 points, down 1.01%, with a trading volume of 45.68 billion yuan [1] - The total trading volume of both markets was 1936.04 billion yuan, an increase of 91.76 billion yuan compared to the previous trading day [1] Sector Performance - The computer, communication, and biopharmaceutical sectors showed the highest gains, while sectors such as steel, non-ferrous metals, real estate, coal, securities, insurance, electric equipment, chemicals, and transportation saw significant declines [3] - Among the 31 primary industries, 7 experienced net inflows of funds, with the computer industry seeing the highest net inflow of 1.33 billion yuan [4][5] - The electric equipment sector had the largest net outflow of funds, totaling 4.90 billion yuan [5] Individual Stock Movements - A total of 1016 stocks rose, while 4064 stocks fell, with 62 stocks remaining flat and 8 stocks suspended [3] - 67 stocks received net inflows exceeding 100 million yuan, with Yidian Tianxia leading at 909 million yuan [6][7] - 119 stocks experienced net outflows exceeding 100 million yuan, with Ningde Times seeing the largest outflow of 1.691 billion yuan [8][9] Institutional Activity - Institutional investors had a net buying of approximately 352 million yuan, with Yidian Tianxia being the most purchased stock at around 173 million yuan [10][11] - The top net selling stock by institutions was Dongxin Co., with a net outflow of approximately 119 million yuan [11] ETF Performance - The Food and Beverage ETF saw a decrease of 3.57% over the past five days, with a net outflow of 60.47 million yuan [13] - The Gaming ETF increased by 3.22% over the past five days, with a net outflow of 30.03 million yuan [13] - The Cloud Computing 50 ETF increased by 3.62% over the past five days, with a net inflow of 4.75 million yuan [14]

Core Insights - On July 31, institutional investors showed significant activity in the stock market, with a total of 39 stocks being involved, of which 21 experienced net buying and 18 faced net selling [1][2]. Group 1: Institutional Buying - The top three stocks with the highest net buying by institutions were Industrial Fulian, Hewei Electric, and Yidian Tianxia, with net buying amounts of 1.498 billion, 457 million, and 173 million respectively [1][2]. - Other notable stocks with institutional net buying included Anglikang (172 million), Beifang Changlong (127 million), and Huilv Ecology (76.81 million) [2]. Group 2: Institutional Selling - The top three stocks with the highest net selling by institutions were Dongxin Co., New Henghui, and Gongchuang Turf, with net selling amounts of 119 million, 71.62 million, and 47.31 million respectively [1][3]. - Additional stocks that faced net selling included Hai Sen's Industry (2.37 million) and Ji Shi Media (4.51 million) [3].

(责任编辑：宋政 HN002) 【免责声明】本文仅代表作者本人观点，与和讯网无关。和讯网站对文中陈述、观点判断保持中立，不对所包含内容 的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考，并请自行承担全部责任。邮箱： news_center@staff.hexun.com 格隆汇7月31日｜东芯股份(688110.SH)今日20%涨停两连板，股价创历史新高，换手率7.22%，成交额 20亿元。龙虎榜数据显示，沪股通买入1.2亿元，卖出6096万元，净买入5952万元；游资"中山东路"位 列卖一席位，卖出1.13亿元；两家机构位列卖二、卖四席位，卖出1.19亿元。(格隆汇) | 关入金额最大的前5名 | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 序号 | 交易营业部名称 | | | 买入金额(万) | 占总成交比例 | 卖出金额(万) | 占息成交比例 | 净额(万)0 | | 1 | 沪股通专用 | 371次 39.89% | 0 | 12048.06 | 6.02% | | 2011 | ...

| 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 | | 1 | 沪股通专用 | 371次 39.89% 2 | 12048.06 | 6.02% | | 2 | 角兴证券有限公司宁波和源路证券营业部 | 62次 48.39% | 5322.11 | 2.66% | | 3 | 中国银河证券股份有限公司北京学院南路证券营业部 | 27次 40.74% | 5145.50 | 2.57% | | 4 | 中信证券(山东)有限责任公司郑州商鼎路证券营业部 | 次 1 | 3923.90 | 1.96% | | 5 | 国金证券股份有限公司深圳分公司 | 275次 41.45% | 3210.73 | 1.61% | 格隆汇7月31日｜东芯股份(688110.SH)今日20%涨停两连板，股价创历史新高，换手率7.22%，成交额20亿元。龙虎榜数据显示，沪股通买入1.2亿元，卖出 6096万元，净买入5952万元；游资"中山东路"位列卖一席位，卖出1.13亿元；两家机构位列卖二、卖四席位 ...

金融界消息 截至2025年7月31日收盘，东芯股份（688110）报收于64.76元，上涨19.99%，换手率 7.22%，成交量31.93万手，成交金额20.00亿元。 资金流向方面，今日主力资金净流入1.09亿元，占比成交额5.47%。其中，超大单净流入1.04亿元、占 成交额5.19%，大单净流入563.96万元、占成交额0.28%，中单净流出流出6281.97万元、占成交额 3.14%，小单净流出4656.36万元、占成交额2.33%。 东芯股份最新一期业绩显示，截至2025一季报，公司营业总收入1.42亿元、同比增长33.90%，归属净利 润5924.18万元，同比减少33.11%，扣非净利润6577.78万元，同比减少38.05%，流动比率26.652、速动 比率16.933、资产负债率3.68%。 天眼查商业履历信息显示，东芯半导体股份有限公司，成立于2014年，位于上海市，是一家以从事软件 和信息技术服务业为主的企业。企业注册资本44224.9758万人民币，实缴资本28070.1755万人民币。公 司法定代表人为蒋学明。 通过天眼查大数据分析，东芯半导体股份有限公司共对外投资了4家企业，参与 ...

智通财经7月31日电，午后芯片股局部活跃，寒武纪涨超5%，此前东芯股份走出20cm3天2板，华虹公 司、海光信息、中芯国际等快速冲高。 芯片股午后局部活跃 寒武纪涨超5% ...

Market Overview - The Shanghai Composite Index rose by 0.17% to close at 3615.72 points, with a daily high of 3636.17 points [1] - The Shenzhen Component Index fell by 0.77% to close at 11203.03 points, reaching a high of 11307.62 points [1] - The ChiNext Index decreased by 1.62%, closing at 2367.68 points, with a peak of 2395.89 points [1] Margin Trading and Securities Lending - The total margin trading and securities lending balance in the Shanghai and Shenzhen markets was 19784.07 billion yuan, with a financing balance of 19642.55 billion yuan and a securities lending balance of 141.52 billion yuan [2] - The margin trading balance increased by 21.0 billion yuan compared to the previous trading day [2] - The Shanghai market's margin trading balance was 10111.96 billion yuan, up by 3.91 billion yuan, while the Shenzhen market's balance was 9672.1 billion yuan, increasing by 17.08 billion yuan [2] Fund Issuance - Five new funds were launched yesterday, including: - Changxin CSI 300 Index Quantitative Enhancement C - Southern CSI General Aviation Theme ETF - Changxin CSI 300 Index Quantitative Enhancement A - Ping An CSI All-Index Free Cash Flow ETF Link A - Ping An CSI All-Index Free Cash Flow ETF Link C [4] Top Margin Buying Stocks - The top three stocks by margin buying amount were: - Xinyi Sheng (300502.SZ) with 18.92 billion yuan - Northern Rare Earth (600111.SH) with 17.93 billion yuan - Dongfang Fortune (300059.SZ) with 16.97 billion yuan [3] Top Net Buying Stocks on the Dragon and Tiger List - The top ten net buying stocks on the Dragon and Tiger list included: - Yingweike (002837.SZ) with a net buying amount of 573.86 million yuan - Baogang Co. (600010.SH) with 373.76 million yuan - Tibet Tianlu (600326.SH) with 217.90 million yuan [6]