据上交所发布，2025年8月18日至8月22日，上交所对253起拉抬打压、虚假申报等证券异常交易行为采 取了书面警示、暂停交易等监管措施，对*ST亚振等异常波动风险警示股票，以及东芯股份、上纬新材 等严重异常波动股票进行重点监控，对17起上市公司重大事项等进行专项核查。 （文章来源：第一财经） ...

Group 1 - The Shanghai Stock Exchange implemented regulatory measures such as written warnings and trading suspensions for 253 cases of abnormal trading behaviors including price manipulation and false declarations from August 18 to August 22, 2025 [1] - Stocks with abnormal volatility, such as *ST Yazhen, received risk warnings, while stocks like Dongxin Co. and Shangwei New Materials faced close monitoring due to severe abnormal fluctuations [1] - The exchange conducted special investigations into 17 significant events related to listed companies [1]

New Stock Listings - New stock "能之光" (Code: 920056) listed at an issue price of 7.21 on August 22, 2025[1] - "申科股份" (Code: 002633) has a tender offer period from July 29 to August 27, 2025[1] - "抚顺特钢" (Code: 600399) has a tender offer period from August 12 to September 10, 2025[1] Abnormal Fluctuations - "赛诺医疗" (Code: 688108) reported severe abnormal fluctuations on August 19, 2025[1] - "ST苏吴" (Code: 600200) announced abnormal fluctuations on August 21, 2025[1] - "汇嘉时代" (Code: 603101) reported abnormal fluctuations on August 22, 2025[1] Other Notable Announcements - "酒鬼酒" (Code: 000799) reported an announcement on August 21, 2025[1] - "国机精工" (Code: 002046) had an announcement on August 21, 2025[1] - "全柴动力" (Code: 600218) reported an announcement on August 21, 2025[1]

Group 1 - Chip stocks have seen significant gains, with Haiguang Information rising over 17% and Cambrian Technologies increasing over 12%, while several other stocks also experienced gains of over 5% [2][5] - The ChiNext 50 Index surged over 5%, and multiple chip-related ETFs rose more than 6% [4] - The strong performance of AI hardware since mid-April, particularly in North America, has led to a rebound in A-share indices and increased risk appetite, creating a substantial demand for domestic computing chains [5] Group 2 - Cambrian Technologies has demonstrated a strong market presence, with its stock price reaching nearly 1200 yuan and a market cap approaching 500 billion, reflecting a nearly 94% increase since July [2][5] - The release of DeepSeek-V3.1, which supports the next generation of domestic chips, is expected to catalyze the domestic computing ecosystem [5] - Tianpu Co. has signed a share transfer agreement with Zhonghao Xinying, a company focused on high-performance AI chips, indicating a growing interest in AI chip development [6] Group 3 - The market is currently experiencing concentrated trading activity, with several stocks exceeding 10 billion yuan in trading volume, suggesting potential volatility in the short term [7] - Long-term market trends indicate a "slow bull" pattern, with J.P. Morgan forecasting continued upward momentum in the Chinese stock market due to moderate leverage and valuation levels [7] - Excess savings accumulated since 2018, estimated at over 30 trillion yuan, may lead to increased consumer and investment spending, with a potential outflow of 4.5 trillion to 9 trillion yuan from maturing deposits seeking higher returns [8]

| 股票名称 | 监控开始日期 监控结束日期 异动开始日期 | | | --- | --- | --- | | *ST苏吴 | 2025-08-21 2025-09-03 未披露 | | | 600200 | | | | 赛诺医疗 | 2025-08-19 2025-09-01 2025-08-07 | | | 688108 | | | | 东芯股份 | 2025-08-18 2025-08-29 2025-07-07 | | | 688110 | | | | 赛诺医疗 | 2025-08-18 2025-08-29 2025-08-07 | | | 688108 | | | | 淳中科技 | 2025-08-15 2025-08-28 未披露 | | | 603516 | | | | 长城军工 | 2025-08-14 2025-08-27 2025-07-31 | | | 601606 | | | | 赛诺医疗 | 2025-08-14 2025-08-27 | 2025-08-07 | | 688108 | | | *免责声明：文章内容仅供参考，不构成投资建议 *风险提示：股市有风险，入市需谨慎 ...

（原标题：电子行业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%。电子行业今日下跌0.68%。 电子行业今日下跌0.68%，全天主力资金净流出149.90亿元，该行业所属的个股共467只，今日上涨的有104只，涨停的有3只；下跌的有358只，跌 停的有1只。以资金流向数据进行统计，该行业资金净流入的个股有137只，其中，净流入资金超亿元的有14只，净流入资金居首的是兆易创新， 今日净流入资金13.09亿元，紧随其后的是立讯精密、深圳华强，净流入资金分别为8.09亿元、5.25亿元。电子行业资金净流出个股中，资金净流 出超亿元的有57只，净流出资金居前的有胜宏科技、工业富联、东芯股份，净流出资金分别为14.36亿元、12.45亿元、9.68亿元。（数据宝） 电子行业资金流入榜 | 代码 | 简称 | 今日涨跌幅（%） | 今日换手率（%） | 主力资金流量（万元） | | --- | --- | --- | --- | --- ...

New Stock Offerings - Shenke Co., Ltd. (002633) has a tender offer period from July 29, 2025, to August 27, 2025[1] - Fushun Special Steel (600399) has a tender offer period from August 12, 2025, to September 10, 2025[1] - Changcheng Military Industry (601606) announced a significant event on August 14, 2025[1] Market Alerts - Dongxin Co., Ltd. (688110) reported severe abnormal fluctuations on August 16, 2025[1] - ST Suwu (600200) has an announcement dated August 21, 2025, regarding market conditions[1] - Yunnan Zhiye (002428) and other companies have recent announcements on August 21, 2025, indicating market activity[1] Financial Performance - ST Jiangsu (600021) reported significant fluctuations on August 20, 2025, with a notable announcement[1] - ST Huanrong (600421) has an announcement dated August 20, 2025, reflecting market conditions[1] - ST Jinhong (000669) reported on August 20, 2025, indicating financial performance concerns[1]

证券之星消息，8月21日半导体板块较上一交易日下跌0.44%，东芯股份领跌。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%。半导体板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 603986 | 兆易创新 | 137.16 | 7.99% | 85.90万 | | 118.32亿 | | 688372 | 伟测科技 | 76.20 | 6.47% | 23.61万 | | 18.37亿 | | 688220 | 獸捷科技 | 108.80 | 6.46% | - 23.50万 | | 26.53亿 | | 688652 | 京仪装备 | 69.93 | 6.21% | 7.03万 | | 4.81亿 | | 001309 | 德明利 | 96.60 | 5.52% | 24.28万 | | 23.70亿 | | 688766 | 普典股份 | 76.85 | 5.27% | 10.26万 | | 7.87亿 ...

Core Points - The Sci-Tech Innovation 50 Index experienced a slight increase, closing at 1149.15 points with a gain of 0.09% and a trading volume of approximately 657.2 billion [1] - Most stocks on the Sci-Tech board declined, with 165 stocks rising; high-priced stocks showed mixed performance while low-priced stocks mostly fell [1] - In specific sectors, stocks related to environmental protection, healthcare, and biopharmaceuticals were active, whereas semiconductor, communication equipment, and electrical equipment stocks declined [1] Trading Performance - On August 21, the average decline for 589 stocks on the Sci-Tech board was 0.93%, with an average turnover rate of 3.82% and a total trading volume of 217.6 billion [1] - The average volatility for the stocks was 4.64% [1] Individual Stock Performance - Sanwei Xinan led the gainers with a 20% increase, while Dongxin Co. had the largest decline at 12.37% [2] - Cambrian's trading volume was the highest at 11.93 billion, while ST Pava had the lowest at 1.439 million [3] Turnover Rate - Yingshi Innovation had the highest turnover rate at 23.30%, while Bairen Medical had the lowest at 0.28% [4]

Key Points - The main focus of the article is on the significant outflow of capital from specific stocks as of August 21, with the top 20 stocks experiencing the largest withdrawals [1][2] Group 1: Capital Outflow - The stock with the highest capital outflow is Wolong Electric Drive, with a withdrawal of 1.34 billion [1] - Shenghong Technology follows closely with an outflow of 1.29 billion [1] - Other notable stocks with significant outflows include Inspur Information (1.25 billion), Northern Rare Earth (1.23 billion), and Industrial Fulian (0.88 billion) [1]