4月28日，A股早盘探底回升，截至午间收盘，沪指跌0.03%，深证成指跌0.43%，创业板指跌0.55%。 热门板块 1、银行板块拉升 银行股再度拉升，工商银行续创历史新高，重庆银行涨超7%，青岛银行、江苏银行、上海银行等跟 涨。 点评：中信证券表示，短期看，中美贸易摩擦对市场预期仍有影响，在此背景下低波板块具有配置价 值；中期看，在宏观"审慎"和"走弱"的两种假设情形下，银行板块相对于大部分行业而言，基本面具备 相对稳健特征，相对价值显著，建议积极增配。 2、AI应用方向反弹 AI应用方向展开反弹，游戏股领涨，天娱数科、掌阅科技等涨停，盛天网络、完美世界、昆仑万维等 跟涨。 招商证券指出，后续A股整体下行风险可控，叠加后续随着业绩披露期结束，再度进入业绩真空期，以 及在经济整体稳定，流动性充裕背景下，市场风险偏好有望持续提升。 盘面上，银行股强势拉升，工商银行续创历史新高；钢铁板块走强，首钢股份领涨；AI应用方向展开 反弹，游戏股领涨，天娱数科涨停；算力产业链反弹，鸿博股份2连板；此外，互联网电商、半导体等 板块涨幅居前。下跌方面，大消费股全线大跌，有友食品、国光连锁、安记食品等多股跌停，地产、医 药、汽车 ...

中国移动日前宣布建成全国首个覆盖"通、智、超、量"（通算、智算、超算、量子计算）四算融合的算 力网络，算力服务器规模超100万台，智算规模超43EFLOPS（每秒百亿亿次浮点运算），并网21家智 算中心、3家国家级超算中心、3家量算中心，可调度算力资源占全国六分之一。 专家认为，以数智化为主要特征的新一轮科技革命和产业变革深入发展，数据成为新生产要素，算力成 为新基础设施和基础能源，人工智能成为新生产工具，推动经济社会从"互联网+""5G+"向"人工智能 +"加速转变，对算网基础设施演进提出新要求，也带来新机遇。 算力规模不断扩大 作为人工智能发展的基石，算力已成为重要的基础设施之一，算力需求呈爆发式增长。数据显示，截至 2024年底，我国算力总规模达280EFLOPS，其中智能算力规模达90EFLOPS，占比超过30%。同时，算 力基础设施发展成效显著，梯次优化的算力供给体系初步构建，算力基础设施综合能力明显提升，算力 产业不断创新发展，持续赋能千行百业。 国际数据公司（IDC）与浪潮信息联合发布的《2025年中国人工智能计算力发展评估报告》显示， DeepSeek带来的算法效率提升并未抑制算力需求，反而因 ...

Investment Rating - The industry rating is "Recommended" [4] Core Insights - The domestic computing power industry is experiencing a pivotal shift from technology following to innovation leadership, driven by the acceleration of AI and digital transformation [13][18] - The performance of domestic chips continues to break through, and the open-source ecosystem is improving, indicating that the domestic computing power industry has entered a new stage of high-quality development [13][18] - The total computing power scale in China is expected to grow by 16.5% year-on-year in 2024, with over 8.8 million standard racks in use [24] Summary by Sections Section 1: Domestic Computing Power - Price Fluctuations and Demand Growth - Domestic computing power card prices are on the rise, driven by increased demand and supply shortages [19][20] - AI technology advancements are leading to a comprehensive price increase in cloud infrastructure, with significant implications for the industry structure [21][22] - Alibaba plans to invest at least 380 billion RMB in AI and cloud computing infrastructure over the next three years, marking a substantial commitment to the sector [27][28] Section 2: Domestic Computing Power - Breaking Through and Leading New Development Trends - Various cities are actively promoting the construction of computing power centers, such as Zhengzhou, Gui'an, and Shenzhen, to meet digitalization demands [36][37] - The upgrade of domestic large models has led to a surge in demand for computing power leasing, with many companies accelerating procurement [41] - Shenzhen has issued nearly 200 million RMB in "training coupons" to support AI and intelligent robotics companies, enhancing the computing power infrastructure [47][48] Section 3: Investment Recommendations - Beneficiary stocks include: 1. AIDC: Runjian Co., Guanghuan New Network, Aofei Data, Runze Technology [17] 2. Computing Power Leasing: Hainan Huatie, Hongjing Technology, Hongxin Electronics [17] 3. Cloud Computing: Youkede, Capital Online, Shunwang Technology, Deepin Technology [17] 4. Computing Power Chips: Haiguang Information, Cambricon, Chipone, Huawei [17] 5. AI Power: Zhongheng Electric, Magmi Tech, Oulu Tong, KOTAI Power [17]

Market Overview - The A-share market experienced a weak fluctuation, with the Shanghai Composite Index down by 0.46%, the Shenzhen Component Index down by 0.97%, and the ChiNext Index down by 1.15% [2][3] - Over 4,000 stocks in the market declined, indicating a broad market downturn [5] Sector Performance - The banking and electric power sectors showed resilience, rising against the overall market trend [5] - Key sectors that faced significant declines included brokerage, rare earth, chemicals, liquor, and infrastructure [5] - Gold stocks collectively rose, with notable performers including Hengxing Technology, Teli A, and West Gold, which hit the daily limit [5] Capital Flow - Main capital inflows were observed in the banking, public utilities, and home appliance sectors, while there were outflows from electric equipment, machinery, and non-bank financial sectors [6] - Specific stocks that attracted net inflows included Midea Group, Hangang Co., and Saiyi Information, with inflows of 977 million, 911 million, and 759 million respectively [7] - Conversely, stocks like Wolong Electric Drive, Hezhuo Intelligent, and Dalian Heavy Industry faced significant sell-offs, with outflows of 821 million, 610 million, and 604 million respectively [8] Institutional Insights - Boshi Securities noted a lack of enthusiasm for market buying, suggesting that the 60-day moving average may be tested [9] - Shenwan Hongyuan emphasized that for the market to stabilize and break upward, it requires accompanying trading volume [10] - Guotai Junan highlighted that the months of April, July, and October have shown a strong correlation between stock performance and earnings growth, particularly emphasizing April as a critical month for market focus on growth [10]