老铁们，收盘了！帮主盯着盘面，一边喝茶一边琢磨——今儿这市场，像极了重庆火锅：面上飘着一层红油（医药股涨停潮），底下藏着硬货（PCB、雅江 电站），但捞的时候得小心烫嘴（3000只票泛绿）。沪指磨磨蹭蹭涨0.33%，深成指和创业板倒是给力，尤其创业板直接飙了1.86%，像吃了火箭燃料！可 别光看指数乐呵，个股跌多涨少，近3000家翻绿，说明资金抱团更狠了，没踩对节奏的，容易赚指数亏钱袋。 • 资金共识：主力三天净流入超50亿，药明康德这类CXO龙头也被带飞，机构回补仓位迹象明显。 帮主说透：医药行情不是短炒，是政策+业绩+国际化的三重共振，但别无脑追高，盯着恒瑞、药明这些标杆，回踩5日线才是机会！ 二、科技线暗流涌动：PCB撑起AI"钢筋铁骨" 科技股今天继续秀肌肉，PCB板块成了算力硬件的脊梁：方邦股份、沃格光电秒封板，龙头胜宏科技更猛，大涨17%创历史新高，市值冲破1500亿。背后逻 辑很硬核： • 订单排到2026年：英伟达恢复供货，800G光模块需求爆炸，高端PCB（比如20层超薄板）供不应求； • 华为昇腾添火：世界人工智能大会上，华为首次展出昇腾384超节点，带动中际旭创等CPO概念股跟涨； 一、 ...

Group 1 - On July 28, a total of 13 companies were investigated by institutions, with 9 companies being surveyed by funds, indicating a strong interest in these firms [1] - Among the surveyed companies, Shenghong Technology received the most attention, with 31 funds participating in its investigation, while Cuihua Jewelry and Maidi Technology were investigated by 11 and 10 funds respectively [1] - The surveyed companies included 3 from the Shenzhen Main Board, 5 from the ChiNext, and 1 from the Shanghai Main Board [1] Group 2 - The total market capitalization of the surveyed companies included 1 company with a market cap over 500 billion, and Shenghong Technology had a market cap exceeding 1 trillion [1] - In terms of market performance, 3 out of the surveyed stocks increased in value over the past 5 days, with Shenghong Technology leading at a rise of 15.79%, followed by Hengshuai Co. and Fengmao Co. with increases of 7.14% and 4.62% respectively [1] - Conversely, 6 stocks experienced declines, with Maidi Technology, Zhongmi Holdings, and Cuihua Jewelry seeing drops of 5.65%, 3.46%, and 0.76% respectively [1] Group 3 - Among the surveyed stocks, 4 experienced net capital inflows over the past 5 days, with Shenghong Technology attracting 1.014 billion yuan, the highest among them [2] - Other companies with significant net inflows included Hengshuai Co. and Cuihua Jewelry, with inflows of 36.95 million yuan and 19.90 million yuan respectively [2] - In terms of performance forecasts, only one company provided a half-year earnings forecast, with Maidi Technology expecting a net profit of 26 million yuan, reflecting a year-on-year increase of 134.06% [2]

Core Insights - The ChiNext ETF Ping An (159964) has shown a significant increase in value, with a recent rise of 0.72% and a weekly increase of 3.16% as of July 28, 2025 [1] - The ETF has achieved a net value increase of 15.66% over the past six months, with a maximum monthly return of 37.37% since its inception [2] - The ETF's management fee is 0.15%, and its tracking error over the past two months is 0.016%, indicating strong performance in tracking the ChiNext Index [4][5] Performance Metrics - As of July 28, 2025, the ChiNext ETF Ping An has a year-to-date relative drawdown of 0.13%, with a recovery period of 101 days, which is relatively quick compared to similar funds [3] - The ETF's average monthly return is 6.56%, with an annualized profit percentage of 60.00% [2] - The Sharpe ratio for the past month is 1.96, placing it in the top 3 out of 16 comparable funds, indicating higher returns for the same level of risk [2] Fund Composition - The ChiNext Index, which the ETF closely tracks, consists of 100 stocks with high market capitalization and liquidity, reflecting the performance of the ChiNext market [6] - As of June 30, 2025, the top ten weighted stocks in the ChiNext Index account for 51.16% of the index, with Ningde Times (300750) holding the highest weight at 18.77% [6][8]

二、融资融券情况 昨日沪深两市的融资融券余额为19607.45亿元，其中融资余额19468.16亿元，融券余额139.3亿元。两市融资融券余额较前一交易日增加195.23亿元。分市场 来看，沪市两融余额为9996.28亿元，相较前一交易日增加119.9亿元；深市两融余额9611.17亿元，相较前一交易日增加75.32亿元。 两市共有3443只个股有融资资金买入，其中胜宏科技、北方稀土、新易盛排名前三，买入金额分别22.09亿元、19.68亿元、18.95亿元。融资买入额前10个股 详情见下表： | 代码 | 课名称 | 融资买入额(亿元 | | --- | --- | --- | | 300476.SZ | 胜宏科技 | 22.09 | | 600111.SH | 北方稀土 | 19.68 | | 300502.SZ | 新易盛 | 18.95 | | 300059.SZ | 东方财富 | 18.04 | | 300308.SZ | 中际旭创 | 12.1 | | 002384.SZ | 东山精密 | 11.92 | | 600392.SH | 盛和资源 | 11.4 | | 601669.SH | 中国电建 ...

Summary of Conference Call Records Industry Overview - The high-end PCB industry is experiencing a surge in demand, with mainland Chinese manufacturers poised to benefit due to limited capacity among Taiwanese firms [1][2][7] - AI PCB demand is projected to reach 50 billion yuan by 2025, with current capacity unable to meet this demand [1][6] - The industry is entering a phase where companies will prioritize capacity over technology barriers, focusing on those with significant idle high-end capacity [1][7][8] Key Companies and Developments Jingwang Electronics - Significant progress in high-end PCB business, with the Zhuhai Jinwan base expected to achieve a production value of 16 billion yuan through technological upgrades [1][14] - Actively expanding AI business, with the 300 series products expected to drive performance growth in the first half of next year [1][15][16] Dongshan Precision - Focused on consumer electronics HDI and server products, planning to invest 1 billion USD to expand hardboard capacity to meet AI PCB and server demands [1][17][18] - Aiming to solidify relationships with North American clients like Amazon and Google while expanding AI PCB market share [18] Shenghong Technology - Benefiting from capacity advantages, with high-end HBI mass production driving revenue growth [3][23] - New capacity expected to release at least 10 billion yuan in revenue next year, with ongoing expansion in Thailand and Vietnam [23] Sors Technology - The optical module business is expected to benefit from increased overseas capital expenditure, with a leading position in the EML optical chip sector [3][20] - Anticipated release of 800G capacity by the end of 2025, enhancing profitability [20] Other Notable Companies - **Shenghong Technology**: Expected to see significant revenue growth due to new capacity and strong client commitments [23] - **Hudian Co.**: Facing challenges but expected to resolve capacity bottlenecks by the end of 2026, with a focus on maintaining strong relationships with high-end clients [24] - **Shengyi Electronics**: As a core supplier for Amazon, expected to benefit from increased capital expenditure from major clients [25] Market Dynamics - The core issue for the industry over the next two years is capacity shortage, which is expected to lead to a significant supply-demand imbalance [6][7] - Companies with flexible capacity will be favored in stock selection, rather than those solely focused on technological barriers [7][9] - The trend of establishing factories in Southeast Asia has faced challenges due to infrastructure and labor issues, impacting production timelines [12][13] Investment Insights - Investors should focus on companies with substantial idle high-end capacity and proactive expansion plans to capitalize on future market opportunities [8][11] - The current investment climate favors companies that can quickly ramp up production to meet surging demand, particularly in the AI PCB sector [9][11] Conclusion - The AI PCB sector is on the brink of significant growth, with mainland Chinese manufacturers likely to dominate high-end production capacity in the coming years [11] - Strategic investments and capacity expansions are critical for companies to leverage the anticipated demand surge and secure their market positions [11][20]

Market Overview - On July 28, the A-share market experienced a rebound, with the ChiNext Index leading the gains. The total trading volume in the Shanghai and Shenzhen markets was 1.74 trillion yuan, a decrease of 45 billion yuan compared to the previous trading day. The Shanghai Composite Index rose by 0.12%, the Shenzhen Component Index increased by 0.44%, and the ChiNext Index gained 0.96% [2][3] - Over 2,700 stocks in the market saw an increase, indicating a broad-based rally [2] Sector Performance - The computing hardware sector saw a significant surge, while innovative drug concepts maintained strong performance. The commercial aerospace sector was also active [2] - Conversely, cyclical stocks such as steel and coal experienced collective adjustments, with companies like Liugang Co., Ltd. seeing declines of over 5% [2] - The PCB, film, and CPO sectors had the highest gains, while coal, steel, Hainan Free Trade Zone, and precious metals sectors faced the largest declines [2] International Market - In the U.S. stock market on July 28, the Dow Jones Industrial Average fell by 64.36 points to close at 44,837.56 points, a decrease of 0.14%. The S&P 500 index rose by 1.13 points to 6,389.77 points, an increase of 0.02%, and the Nasdaq Composite Index gained 70.27 points to close at 21,178.58 points, up 0.33% [4][6] - European markets saw all three major indices decline, with the UK FTSE 100 down 0.43%, the French CAC 40 down 0.43%, and the German DAX down 1.02% [4] - International oil prices rose, with WTI crude oil increasing by $1.55 to $66.71 per barrel, a rise of 2.38%, and Brent crude oil up $1.60 to $70.04 per barrel, an increase of 2.34% [4][5] Key Announcements - The Chinese government announced a new childcare subsidy plan, effective from January 1, 2025, providing annual subsidies of 3,600 yuan per child for those under three years old [8] - The Ministry of Industry and Information Technology is formulating a plan to enhance the adaptability of consumer goods supply and demand to support consumption expansion [9] - The Shanghai Municipal Economic and Information Commission announced a 600 million yuan initiative to reduce the cost of intelligent computing power, including issuing computing vouchers [13] Institutional Insights - Everbright Securities noted that the white liquor sector is currently in a deep value zone, with a dividend yield of 3.72% as of July 25, 2024, and a payout ratio of 71% [16] - Open Source Securities highlighted that the coal sector is at a turning point, suggesting it is time to position investments [16] - Donghai Securities anticipates an overall improvement in profitability and valuation levels in the medical device sector due to policy guidance [16] Focused Announcements - WuXi AppTec reported a net profit of 8.561 billion yuan for the first half of the year, a year-on-year increase of 101.92% [17] - SANY Heavy Industry plans to issue up to 20 billion yuan in various non-financial corporate debt financing tools [18]

Market Overview - The A-share market showed high volatility, with the Shanghai Composite Index closing at 3597.94 points, up 0.12% [2] - The Shenzhen Component Index rose 0.44% to 11217.58 points, while the ChiNext Index increased by 0.96% to 2362.60 points [2] - Total trading volume in the Shanghai and Shenzhen markets was 17.423 trillion yuan, a decrease of 45 billion yuan compared to the previous Friday [2] PCB Sector Performance - The AI hardware sector, represented by PCB (Printed Circuit Board) concepts, led the market with significant gains, with multiple stocks hitting the daily limit [3] - Notable performers included Fangbang Shares, Junya Technology, and Pengding Holdings, with Shenghong Technology surging over 17% [3] - At least 10 PCB companies have released half-year performance forecasts, with Shengyi Electronics expecting a net profit increase of 432% year-on-year [3] - The demand for high-end PCBs is rapidly growing due to AI computing needs, with projections indicating a supply-demand gap for AI PCBs by 2026 [3] Non-Bank Financial Sector - The non-bank financial sector, including brokerage and insurance, performed well, with the Shenwan Securities Index rising by 0.68% [4] - Major brokerages like Zhongyin Securities and Huatai Securities saw significant stock price increases, with at least 12 brokerages forecasting over 100% growth in net profit for the first half of the year [4][5] - The insurance sector benefited from economic recovery, with a notable increase in the sales of savings-type products [5] Resource Sector Dynamics - The resource sector experienced significant divergence, with coal, steel, and oil sectors undergoing substantial corrections [6] - Futures markets saw sharp declines in black and new energy commodities, with major contracts for coking coal and lithium carbonate hitting the daily limit down [6] - Several brokerages have warned of trading risks in the resource sector, suggesting that the recent price surges were driven by policy expectations and market sentiment [6] Investment Themes - In the medium to long term, institutions suggest focusing on undervalued sectors within the "anti-involution" theme, including polyurethane, LED, and semiconductor precursor materials [7] - The "anti-involution" theme has begun to expand, with specific commodities like red dates experiencing price fluctuations [7]

胜宏科技：目前公司高阶HDI、高多层板产品已取得较大规模的在手订单 智通财经7月28日电，胜宏科技(300476.SZ)披露投资者关系活动记录表，公司持续扩充高阶HDI及高多 层板等高端产品产能，包括惠州HDI设备更新及厂房四项目、泰国及越南工厂HDI、高多层扩产项目。 公司已经积累了多家稳定合作的国内外科技巨头客户，订单需求旺盛。截至目前，公司高阶HDI、高多 层板产品均已取得了较大规模的在手订单。 ...

Group 1: Company Overview and Core Competencies - The company embraces AI and focuses on technological innovation and product layout to enhance core competitiveness [3] - It has established a leading position in AI computing power, AI servers, and AI HDI PCB technology, with a 2-3 year lead in market production technology [3] - The company maintains high reliability and stability in its products, achieving zero-defect production through AI-driven quality control [3] Group 2: Market Trends and Growth Potential - The PCB industry is entering a new growth cycle driven by the AI technology revolution, with a projected compound annual growth rate (CAGR) of over 20% for AI PCBs over the next five years [5] - Demand for high-layer and high-density interconnect (HDI) PCBs is expected to significantly increase, driven by advancements in AI, autonomous driving, and other high-tech fields [5] Group 3: Research and Development Strategy - The company focuses on key technologies such as CPU and GPU, with a proactive approach to technology layout in AI and new communication technologies [6] - Continuous investment in R&D and resource integration is aimed at enhancing innovation capabilities and improving product development efficiency [7] Group 4: Production Capacity and Market Share - The company is expanding its production capacity for high-end products, including HDI and multi-layer boards, to meet global customer demand [9] - Current production capacity utilization is high, with significant orders in hand for high-end products, ensuring a solid foundation for capacity digestion [9] Group 5: Investor Relations Activity - The investor relations activity included a company tour and presentations on core competencies, with participation from 179 institutional and individual investors [1] - The event did not involve the disclosure of any undisclosed significant information [10]

Core Insights - On July 28, the Shanghai Composite Index rose by 0.12%, with institutional investors appearing on the trading lists of 30 stocks, net buying 17 and net selling 13 [1][3] - The total net buying amount by institutional seats was 12.61 million yuan, with significant participation from the Shenzhen-Hong Kong Stock Connect in 24 stocks [1][7] Institutional Trading Summary - The stock with the highest net buying from institutional seats was Shenzhen South Circuit, which closed at the daily limit with a trading volume of 3.23 billion yuan and a turnover rate of 3.46%. The net buying amounted to 229.78 million yuan [2][5] - Other notable stocks included Ashi Chuang, which rose by 9.18% with a turnover rate of 42.80% and a net buying of 84.84 million yuan, and Copper Crown Copper Foil, which also closed at the daily limit with a net buying of 59.26 million yuan [2][5] Market Performance - The average increase of stocks with institutional net buying was 3.79%, outperforming the Shanghai Composite Index. Stocks like Copper Crown Copper Foil and Dazhu CNC showed strong performance, closing at the daily limit [3] - A backtest of stocks with institutional net buying over the past month revealed a 44.85% probability of rising the next day and a 36.40% probability of rising within three days [3] Earnings Forecasts - Among the stocks with institutional net buying, six had released half-year earnings forecasts, with two expecting profit increases. The highest projected net profit increase was for Mankun Technology, with a median expected profit of 65 million yuan, representing a year-on-year increase of 66.81% [3] Net Selling Summary - The stock with the highest net selling was Shenghong Technology, which saw a net selling of 233.56 million yuan despite a daily increase of 17.51%. The stock had significant net inflows from the Shenzhen-Hong Kong Stock Connect [3][6]