8月5日，上证指数早盘高开高走，午后持续上扬，再度站上3600点；深证成指早盘冲高回落，午后震荡 上扬；创业板指早盘冲高回落，午后探底回升；科创50指数早盘窄幅震荡，午后震荡回升。截至收盘， 上证指数报3617.60点，涨0.96%，成交额6563.83亿元；深证成指报11106.96点，涨0.59%，成交额 9396.98亿元；创业板指报2343.38点，涨0.39%，成交额4784.81亿元；科创50指数报1053.65点，涨 0.4%，成交额268.02亿元。沪深两市合计成交15960.81亿元，成交额较上一交易日增加975.3亿元。 银行、保险等行业走强 *ST亚振5连板 盘面上来看，行业板块、概念涨多跌少。其中，银行、保险、钢铁、传媒、通信、证券、汽车、房地产 等行业涨幅靠前；PEEK材料、铜缆高速连接、人脑工程、空间站、3D玻璃、复合集流体、液冷、轮毂 电机、汽车热管理等概念走势活跃。玻璃玻纤、珠宝首饰、生物制品等行业跌幅居前；重组蛋白、肝 炎、智谱AI、创新药、财税数字化等概念走势较弱。涨停个股主要集中在机械设备、汽车、通信、化 工、医药生物等行业。 个股涨跌情况，截至收盘，沪深两市合计3767 ...

Group 1 - A-shares experienced significant activity on August 5, with 68 stocks hitting the daily limit up and 2 stocks hitting the limit down [1] - The human brain engineering concept saw active trading, with Innovation Medical reaching the limit up [1] - The PEEK materials concept strengthened, leading to limit up performances for Zhongxin Fluorine Materials and Xinhan New Materials [1] Group 2 - *ST Yuancheng and Honghe Technology both hit the limit down [2]

Group 1 - The brain engineering concept experienced significant market activity, with several companies in the sector seeing notable stock price increases [1] - Innovation Medical (002173) reached the daily limit increase, indicating strong investor interest [1] - Xiangyu Medical saw a rise of over 15%, reflecting positive market sentiment towards the brain engineering sector [1] Group 2 - Other companies such as Aipeng Medical (300753), Sanbo Brain Science (301293), and Entropy Technology (301330) also experienced slight increases in their stock prices, contributing to the overall positive trend in the industry [1]

Core Viewpoint - The A-share market experienced a collective decline across the three major indices, indicating a bearish sentiment among investors [1] Market Performance - The Shanghai Composite Index closed at 3573.21 points, down 1.18%, with a trading volume of 845.893 billion [1] - The Shenzhen Component Index closed at 11009.77 points, down 1.73%, with a trading volume of 1,090.142 billion [1] - The ChiNext Index closed at 2328.31 points, down 1.66%, with a trading volume of 541.201 billion [1] Sector Performance - Major sectors such as coal, steel, chemical fiber, oil, non-ferrous metals, real estate, brokerage, insurance, electricity, and liquor all saw declines [1] - Conversely, the AI industry chain stocks showed resilience, with liquid cooling servers and computing power concepts performing strongly [1] - The assisted reproduction concept also saw gains, along with active performance in brain engineering and innovative drug concepts [1]

岩山科技7月31日收盘报5.74元，较前一交易日上涨1.23%。当日成交量为2778.21万手，成交金额达 15.81亿元，换手率为4.96%。 该公司属于互联网服务行业，同时涉及人脑工程、人工智能等概念领域。岩山科技是一家专注于信息技 术服务的企业，业务涵盖多个科技前沿领域。 7月31日主力资金净流入2957.49万元。近期国家医保局发布新规，支持脑机接口等医疗新技术进入临床 并收费，为人脑工程领域带来政策利好。 风险提示：股市有风险，投资需谨慎。 ...

7月31日，人脑工程概念上涨0.27%，今日主力资金流入7729.22万元，概念股14只上涨，19只下跌。 主力资金净流入居前的分别为科大讯飞（2.28亿元）、创新医疗（9399.58万元）、乐普医疗（6230.96 万元）、熵基科技（6031.32万元）、爱朋医疗（3162.54万元）。 来源：金融界 序号代码名称最新价涨跌幅主力净流入主力净占比1002230科大讯飞48.780.762.28亿元8.28%2002173创 新医疗15.347.729399.58万元8.27%3300003乐普医疗15.560.846230.96万元5.49%4301330熵基科技 29.213.86031.32万元12.2%5300753爱朋医疗31.397.283162.54万元5.27%6002195岩山科技5.741.232957.49 万元1.87%7301293三博脑科50.083.582790.86万元3.88%8603610麒盛科技12.662.592028.90万元 9.16%9300678中科信息33.980.651515.56万元3.66%10688273麦澜德33.76-0.591193.99万元9. ...

Core Viewpoint - The A-share market experienced a significant decline, with major indices dropping over 1%, while resource stocks fell collectively, and AI-related stocks showed resilience in the market [1] Market Performance - The Shanghai Composite Index fell by 1.18% to close at 3573.21 points - The Shenzhen Component Index decreased by 1.73% to 11009.77 points - The ChiNext Index dropped by 1.66% to 2328.31 points - The SSE 50 Index declined by 1.54% - Total trading volume in the Shanghai and Shenzhen markets reached 196.21 billion yuan [1][1][1] Sector Analysis - Major sectors such as coal, steel, chemical fiber, oil, non-ferrous metals, real estate, brokerage, insurance, electricity, and liquor all experienced declines - Conversely, AI-related stocks, including liquid-cooled servers and computing power concepts, performed well - The assisted reproduction concept saw an increase, along with active performance in brain engineering and innovative drug concepts [1][1][1] Investment Strategy - Dongxing Securities suggests that the current A-share market is in a medium to long-term slow bull phase, with reduced index volatility and reasonable rotation of market hotspots - Investors are advised to maintain a high position and adopt a holding strategy, focusing on industries with high prosperity - Key recommendations include large technology, high-dividend, and consumer sectors, along with attention to innovative drugs, military industry, and cyclical products with growth potential [1][1][1]

Market Performance - The Shanghai Composite Index opened high on May 26, 2023, and briefly surpassed 3600 points, marking the first time since February 26 of the same year [1][2] - As of the close on May 26, the index reported 3593.36 points, with a gain of 0.34% [2] - The index has shown a cumulative increase of 0.23% over the 60 trading days from February 26 to May 26, 2023, with 1863 stocks underperforming the market [1][5] Sector Performance - The market saw a divergence in performance among the three major A-share indices, with the Shenzhen Component Index and the ChiNext Index experiencing declines of 0.36% and 0.95%, respectively [2] - The biodegradable plastics sector experienced significant gains, with stocks like Ruifeng High Materials, Yinhui Technology, and Meirui New Materials hitting the daily limit [2] - Other sectors such as aquaculture, paper printing, and longevity drugs also saw increases of over 3% [3] Trading Volume and Capital Flow - On May 26, the trading volume in the Shanghai market reached 455.83 billion yuan, while the Shenzhen market saw 511.01 billion yuan, totaling 966.84 billion yuan across both markets [4] - Northbound capital recorded a net inflow of 9.103 billion yuan on May 26, with a total net inflow of 36.464 billion yuan for May [4] Stock Performance Analysis - Among the 1863 stocks that underperformed, 321 reported net losses in Q1 2021, with companies like SF Express and Liou Co. showing losses exceeding 400 million yuan [8][10] - Notably, some companies have reported consecutive losses over multiple years, raising concerns about their financial health [10] - Stocks such as Chutianlong and Shunkong Development have shown significant gains, with increases exceeding 400% [7]

Core Viewpoint - The brain engineering sector experienced a rise of 1.48% on July 17, with a total capital outflow of 385.08 million [1] Group 1: Stock Performance - A total of 27 stocks in the sector increased in value, while 5 stocks declined [1] - The top-performing stocks included: - Seli Medical: +10.01% - Boji Pharmaceutical: +9.5% - Innovation Medical: +3.23% - Pulite: +3.03% - Beilu Pharmaceutical: +2.6% [1] Group 2: Capital Flow - Major stocks with significant capital inflow included: - Innovation Medical: +16.07 million, accounting for 2.21% - Seli Medical: +199 million, accounting for 15.64% [1] - Stocks with capital outflow included: - Boji Pharmaceutical: -2.46 million, accounting for -2.82% - Beilu Pharmaceutical: -1.41 million, accounting for -3.62% [1] Group 3: Declining Stocks - The stocks that saw the largest declines included: - ST Huatuo: -4.77% - Botuo Bio: -1.59% - Hanwei Technology: -1.49% [1]

Market Overview - The Shanghai Composite Index closed at 3472.32 points, up 0.32%, with a trading volume of 567.24 billion yuan [1] - The Shenzhen Component Index closed at 10508.76 points, down 0.25%, with a trading volume of 861.32 billion yuan [1] - The ChiNext Index closed at 2156.23 points, down 0.36%, with a trading volume of 420.45 billion yuan [1] - The STAR 50 Index closed at 984.80 points, down 0.01%, with a trading volume of 24.52 billion yuan [1] - The total trading volume of both markets was 1428.56 billion yuan, an increase of 118.8 billion yuan compared to the previous trading day [1] Sector Performance - Strong sectors included banking, media, public utilities, steel, and insurance [3] - Active concepts included cross-border payments, digital currency, innovative drugs, brain engineering, and low-carbon metallurgy [3] - Weak sectors included beauty care, non-ferrous metals, chemicals, light manufacturing, environmental protection, machinery, defense, and communications [3] Stock Performance - A total of 1143 stocks rose, while 3881 stocks fell, with 115 stocks remaining flat and 11 stocks suspended [3] - Among the stocks, 41 hit the daily limit up, while 13 hit the limit down [3] Fund Flow - The net outflow of main funds in the two markets was 23.655 billion yuan, with the ChiNext seeing a net outflow of 11.352 billion yuan [6] - The computer sector had the highest net inflow of main funds at 2.065 billion yuan, followed by media and building materials [6] - The electronic sector experienced the largest net outflow of main funds at 3.794 billion yuan, followed by non-ferrous metals and power equipment [6] Individual Stock Highlights - 53 stocks saw net inflows exceeding 1 billion yuan, with沃尔核材 leading at 1.194 billion yuan [10][11] - 81 stocks experienced net outflows exceeding 1 billion yuan, with中际旭创 leading at 564 million yuan [12][13] Institutional Activity - Institutions had a net buy of approximately 2.2374 million yuan, with神州细胞 receiving the highest net buy of about 1.558 billion yuan [17][18] - The top net sell was盈方微, with a net sell of approximately 714.823 million yuan [17][18]