今日下午，有投资者反映称，接东方财富证券短信告知，自10月9日起，信用账户持有的中芯国际（688981）的折算率由0.70调整为0.00；佰维存储 （688525）的折算率由0.50调整为0.00。究竟是何原因？ 记者向东方财富证券致电，客服确认了上述信息，该客服指出，根据交易所规定，个股静态市盈率如果超过300倍，或者负数的情况下，融资融券折 算率就会被调为零，而上述两股票静态市盈率均超过300倍。 该规定自2016年起实施，并沿用至今。2025年7月虽有部分股票调整，但核心规则未变，旨在加强风险控制，确保融资融券业务的平稳运行。 ...

上游存储颗粒涨价已波及市面上一些存储产品。记者近日走访深圳华强北了解到，今年7月一些DRAM产品价格"高位横盘"后，近期多类存储产品又迎来 涨价，涵盖内存条、固态硬盘、手机嵌入式存储，有产品近一个月涨了近20%。 还有商家表示，在一周时间内，单个固态硬盘的价格大概上涨了几十元，固态硬盘、机械硬盘价格都在上涨。 国庆中秋假期后A股首个交易日，多只存储概念股股价高开。今日早盘，华虹公司盘中股价上涨20%，雅克科技、通富微电涨停。此外，兆易创新盘中涨 超8%，股价站上230元/股，创历史新高，澜起科技涨超7%，德明利涨超4%，江波龙涨超8%，佰维存储涨超6%。 消息面上，9月下旬，韩国三星电子向主要客户发出第四季度提价通知，计划将部分DRAM（动态随机存取存储器）价格上调15%至30%，NAND闪存价 格上调5%至10%。美光在9月一度暂停部分存储芯片报价，恢复报价后，价格普遍上涨约20%。另一存储芯片巨头闪迪也在9月上调NAND闪存报价，幅度 约为10%，涉及消费级与企业级产品。 此前一些存储厂商提及与AI的关系。江波龙近期提到公司有用于AI数据中心的产品。佰维存储在业绩说明会上也表示已获得AI服务器厂商、头部互 ...

资料显示，深圳佰维存储科技股份有限公司位于广东省深圳市南山区桃源街道平山社区留仙大道1213号 众冠红花岭工业南区2区4、8栋1层-3层及4栋4层，成立日期2010年9月6日，上市日期2022年12月30日， 公司主营业务涉及半导体存储器的研发、生产和销售,主要产品及服务包括智能终端存储芯片、消费级 存储模组、工业级存储模组及先进封测服务。主营业务收入构成为：存储产品48.77%，存储产品:嵌入 式存储29.93%，存储产品:PC存储18.12%，其他1.37%，先进封测服务1.09%，存储产品:工车规存储 0.71%。 从基金十大重仓股角度 10月9日，佰维存储涨5.99%，截至发稿，报110.55元/股，成交6.16亿元，换手率1.71%，总市值515.95 亿元。 数据显示，银华基金旗下1只基金重仓佰维存储。银华多元动力灵活配置混合（005251）二季度增持 3273股，持有股数4.8万股，占基金净值比例为4.07%，位居第六大重仓股。根据测算，今日浮盈赚取约 29.97万元。 银华多元动力灵活配置混合（005251）成立日期2017年12月14日，最新规模7935.64万。今年以来收益 56.28%， ...

Core Viewpoint - Emphasis on the valuation expansion of domestic wafer foundries, driven by intensified demand and a price increase cycle in the storage sector [2] Market Performance - In the week before the holiday, the Shanghai Composite Index rose by 0.21%, while the electronics sector increased by 3.51%, with semiconductors up by 7.64%. In contrast, the Hang Seng Tech Index fell by 1.58% [2] - During the holiday period, Hong Kong's semiconductor sector performed well, with domestic foundries SMIC and Hua Hong Semiconductor reaching historical highs [2] Semiconductor Industry Insights - Domestic wafer foundry capabilities are advancing in both quantity and quality, driven by the growing demand for AI computing power and enhanced high-end chip design capabilities [2] - The increasing procurement by major companies like Deepseek, Alibaba, and Tencent highlights the necessity and scarcity of domestic high-end chip foundry capabilities [2] Storage Market Dynamics - The AI application Sora gained significant popularity during the holiday, and OpenAI partnered with AMD to expand computing power, indicating a competitive arms race among internet giants [2] - The NAND market is expected to see a rise in both volume and price due to increased demand from AI inference, with predictions of a 5-10% increase in contract prices for NAND Flash products in Q4 2025 [2] Capacity Growth Projections - From 2024 to 2028, China's wafer fab capacity is projected to grow at a CAGR of 8.1%, surpassing the global average of 5.3% [3] - The capacity growth for mainstream nodes (22nm-40nm) is expected to be particularly strong, with a CAGR of 26.5% [3] Company Developments - Yangtze Memory Technologies Co. (YMTC) completed its restructuring and is poised for expansion, with its valuation exceeding 160 billion yuan [4] - The establishment of the third phase of YMTC is expected to boost orders for domestic front-end equipment companies [4] AI Infrastructure Investments - Alibaba Cloud is accelerating its transformation into a full-stack AI service provider, with a three-year plan to invest 380 billion yuan in AI infrastructure [5] - The launch of the new AI server, designed to support multiple AI chips, reflects the growing demand for AI solutions [5] Investment Recommendations - Continued focus on domestic semiconductor companies such as SMIC, Hua Hong Semiconductor, and various storage firms like Demingli and Jiangbolong is advised [2][3][4] - In the consumer electronics sector, companies like Industrial Fulian and Xiaomi Group are highlighted for potential investment [6]

自从我们8月底介入机器人板块以来，就一直在思考近期投资的范式是什么？ 在资金较为充裕的情形下，各个板块要"争夺资金话语权"，需要用"确定性"来吸引市场 易中胜富 就是 英伟达链 的Tier 1，也就是确定性 或者 稀缺性 【笔者按】 易中胜富 在7、8和9月初过分的耀眼，也强化了我们一直认为的"风格转换" 进入9月，在国内芯片制造先进制成突破，光刻机技术突破，阿里等大CSP自研突破的背景下，国产算力一路走高，而我也第一时间意识到预期纠结选择标 的，不如一键打包选择芯片制造产业链的上中下游~。 结果确实买在国产科创芯片的起爆点！至今浮盈39% 节前最后交易日华虹和佰维成了最靓的仔~ | 代码 名称 | 涨幅 | | --- | --- | | 688347 华虹公司 | +15.16% | | 688525 佰维存储 | 重研公社:回桃列名称 | 但其实也说明了，除了村龙，其他标的都以轮动的形式走强，哪怕寒武纪，海光信息，在GPU界的地位，都没法跟易中胜富四大天王相比。 除了菊厂占23%（甚至25年后还会扩大）外，其他包括寒武纪只有1%~3%的份额，而随着摩尔、沐曦、燧元等等上市GPU越来越多，寒武纪《原本稀缺 ...

Core Viewpoint - The storage chip industry is experiencing a significant price increase driven by strong demand from AI applications and data centers, with expectations of continued growth until at least the second half of 2026 [4][7][9]. Group 1: Price Increases and Market Dynamics - In September, major suppliers like SanDisk, Samsung, and Micron announced price hikes for storage products, with increases ranging from 10% to 30% [4][5]. - The DRAM spot prices have been rising, with key products showing a bullish trend, indicating a positive market sentiment [5]. - The second wave of price increases in the storage market is attributed to a supply-demand imbalance, with AI-driven demand outpacing supply constraints [9][17]. Group 2: AI's Impact on Storage Demand - The AI industry's growth is creating a surge in demand for storage solutions, particularly for AI servers that require substantial memory and storage capacity [9][21]. - The shift towards higher-margin products like DDR5 and HBM is evident as manufacturers reduce production of older, less profitable DRAM types [8][19]. - OpenAI's partnership with Samsung and SK Hynix highlights the explosive growth in DRAM demand, with plans to procure a significant portion of global DRAM capacity [21][22]. Group 3: Company Performance and Market Position - Companies like Jiangbolong are benefiting from the rising storage prices, with a notable recovery in their financial performance in Q2 2025 [13][14]. - Domestic companies such as Changxin Storage and Yangtze Memory Technologies are positioned well in the market, with significant advancements in DRAM and NAND technologies [19][20]. - The stock performance of storage-related companies has been strong, with several A-share stocks seeing increases of over 50% in September [2][14].

Core Viewpoint - The storage chip industry is experiencing a significant price increase driven by strong demand from AI applications and supply constraints, indicating a potential upward cycle that may last until at least the second half of 2026 [6][11][12]. Price Increase Drivers - In September, several major suppliers announced price hikes for storage products, with SanDisk raising prices by over 10%, Samsung increasing prices by 30% for certain memory products, and Micron announcing a 20%-30% increase [8][9]. - The market perceives this as the start of a second wave of price increases in the storage market, with expectations of continued growth in demand driven by AI and data center needs [11][14]. Supply and Demand Dynamics - The demand for storage chips is being significantly influenced by the AI industry, with applications requiring increased memory bandwidth and capacity [12][20]. - On the supply side, manufacturers are shifting production towards higher-margin products, leading to a tightening of supply for traditional DRAM products [13][14]. - The ongoing transition from older technologies to newer ones is creating a structural supply-demand imbalance, benefiting companies that can adapt quickly [20][21]. Market Outlook - Forecasts indicate that prices for various storage products will continue to rise in the fourth quarter, with expected increases of 10%-15% for DDR5 and LPDDR5 products, and 5%-10% for mobile NAND [15]. - The storage chip industry is anticipated to enter a recovery phase starting in the second quarter of 2025, providing performance elasticity for related companies [15][16]. Company Performance - Jiangbolong, a third-party storage module manufacturer, has shown a significant turnaround in performance, with a 39.53% increase in revenue in the second quarter of this year [16][17]. - Other companies in the storage supply chain, such as Shannon Chip and Bawei Storage, are also expected to benefit from the rising prices and demand [17]. Competitive Landscape - Domestic companies like Changxin Storage and Yangtze Memory Technologies are positioned well in the DRAM and NAND markets, respectively, with significant advancements in technology and production capacity [22][24]. - The collaboration between OpenAI and major chip manufacturers like Samsung and SK Hynix highlights the explosive growth in demand for DRAM, with OpenAI planning to procure a substantial amount of DRAM capacity by 2029 [27][28][30].

Core Viewpoint - The global memory chip market is experiencing a new wave of price surges driven by supply-demand imbalance, technological advancements, and geopolitical factors, leading to a "super cycle" of rising volume and prices in the industry [1][3]. Group 1: Market Performance - On September 30, the A-share memory chip sector saw significant price increases, with stocks like Jiangbolong rising over 18% to reach a historical high, and several other companies also experiencing gains exceeding 10% [1]. - Major semiconductor stocks in the U.S. also surged, with SanDisk up nearly 17%, Western Digital rising over 9%, and Micron Technology increasing by more than 4% [3]. Group 2: Price Dynamics - The first round of price increases in the storage market began in April 2025, initiated by SanDisk's price hike announcement, followed by a second round in September where SanDisk announced a price increase of over 10% for all products [3]. - Micron Technology also notified channel partners of a price increase of 20%-30% for its storage products, indicating a strong price-driven market [3]. Group 3: Industry Outlook - Analysts believe that the memory chip sector is a core area within the technology sector, with both short-term price elasticity and long-term domestic substitution potential [3]. - According to a report from CITIC Securities, the positive outlook for the memory market is expected to continue at least until the second quarter of 2026, driven by increased capital expenditure from North American CSPs and rising HDD demand [5].

Core Insights - The National Big Fund's stock concept rose by 2.79%, ranking 7th among concept sectors, with 34 stocks increasing in value, led by Jiangbolong with a 20% limit-up [1] - The sector saw a net inflow of 1.733 billion yuan, with 28 stocks receiving net inflows, and 11 stocks exceeding 100 million yuan in net inflow [1] Market Performance - Top gainers in the National Big Fund stock concept include Jiangbolong (20%), Huahong (15.72%), and Xingfu Electronics (9.50%) [1] - The top decliners in the sector were Changchuan Technology (-4.32%), Chipone (-2.66%), and Shennan Circuit (-2.10%) [1] Fund Flow Analysis - Jiangbolong, Ruixinwei, and Youyan New Materials had the highest net inflow rates at 10.16%, 9.34%, and 9.20% respectively [2] - The leading stock in terms of net inflow was Changdian Technology, with a net inflow of 757.31 million yuan [2] Detailed Stock Data - The table lists various stocks with their respective daily price changes, turnover rates, and net inflow ratios, highlighting significant movements in the National Big Fund stock concept [3][4] - Notable stocks include Changdian Technology (7.83% increase, 12.04% turnover), Jiangbolong (20% increase, 9.44% turnover), and Ruixinwei (4.96% increase, 3.65% turnover) [2][3]

Market Overview - As of September 30, the Shanghai Composite Index rose by 0.40%, the Shenzhen Component Index increased by 0.31%, and the ChiNext Index saw a slight rise of 0.06%. The STAR Market 50 Index surged by 2% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.37 trillion yuan, an increase of 76.1 billion yuan compared to the previous trading day, with nearly 3,000 stocks rising across the market [1] Storage Chip Sector - The storage chip sector experienced significant gains, with stocks like Jiangbolong (301308) rising by 20% and several others increasing by over 10% [2] - Major storage manufacturers, including SanDisk, Micron, Samsung, and Western Digital, have announced price increases since September, leading to a ripple effect in the downstream market as module manufacturers ramp up inventory [3][4] - Adata announced it would stop quoting DDR4 prices and prioritize supply of DDR5 and NAND flash to major clients, while Phison has resumed some pricing with a 10% increase [3][4] AI and Semiconductor Sector - The AI sector saw a collective rise, with stocks like Dahong Technology hitting the daily limit up of 20%, and others like Kaipu Cloud and Tuolisi rising over 5% [4] - The launch of DeepSeek-V3.2-Exp has led to a significant reduction in service costs, with API prices dropping by over 50%, prompting several domestic chip manufacturers to adapt to the new model [5][6] - Analysts from Huaxin Securities noted that the domestic AI chip industry is entering a new era, with a complete industrial chain from advanced processes to model acceleration being established [6][7] Gold Market - On September 30, spot gold prices reached a new high of $3,860 per ounce, marking a 0.72% increase for the day [11] - Domestic gold jewelry prices have also risen, with brands like Chow Sang Sang and Luk Fook reporting prices of 1,125 yuan per gram, an increase of 14 yuan from the previous day [13] - Analysts from Guohai Securities indicated that the long-term trend of gold prices is influenced by the strength of the US dollar and inflation expectations, with current conditions favoring gold due to potential stagflation [13]