BC电池概念资金流入榜 截至5月13日收盘，BC电池概念上涨1.27%，位居概念板块涨幅第9，板块内，29股上涨，协鑫集成涨 停，同享科技、通威股份、中来股份等涨幅居前，分别上涨8.64%、7.56%、6.76%。跌幅居前的有*ST 云网、海目星、锦富技术等，分别下跌4.40%、3.20%、2.69%。 今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 中韩自贸区 | 3.03 | 中船系 | -3.40 | | 航运概念 | 2.51 | 国产航母 | -2.37 | | 硅能源 | 2.30 | 军工信息化 | -2.16 | | 环氧丙烷 | 1.95 | 太赫兹 | -2.14 | | 阿尔茨海默概念 | 1.74 | 军民融合 | -1.99 | | HJT电池 | 1.61 | 航空发动机 | -1.85 | | 钙钛矿电池 | 1.58 | 商业航天 | -1.76 | | TOPCON电池 | 1.50 | 卫星导航 | -1.75 | | BC电池 | 1.27 | 大飞机 | -1.74 | ...

Market Overview - A-shares showed signs of stabilization in the afternoon, with the North Securities 50 Index performing strongly, while the total trading volume in the A-share market decreased significantly to 15,442 billion yuan, down 3,177 billion yuan from the previous trading day [1] - The Shanghai Composite Index closed down 0.19% at 3,366.16 points, the Shenzhen Component Index down 0.17% at 10,825.7 points, and the ChiNext Index down 0.25% at 2,199.88 points [1] AI Medical Sector - The AI medical concept was notably active, with several stocks hitting the daily limit, including Chuangyi Huikang, which rose 20%, and Boji Medical, which increased over 13% [4][6] - Huawei has officially established a medical and health team focused on developing AI-assisted diagnostic solutions, aiming to integrate its resources to accelerate AI medical intelligence [6] New Battery Concepts - The BC battery and TOPCon concepts saw strong gains, with stocks like Inno Laser and Haiyou New Materials hitting the daily limit [8] - The market is optimistic about the photovoltaic sector, with expectations of significant changes and investment opportunities driven by technological advancements and policy support [10] Stock Performance - Several strong stocks experienced sharp declines, including Yunding Technology, which fell to its limit down after a five-day rise, and Hainan Huatie, which also hit the limit down after three consecutive days of gains [11][12][14][15]