A股沸腾，大涨！

Core Viewpoint - The article highlights the strong performance of the Yajiang Hydropower Station concept stocks and the short-term rise of CATL's A and H shares, indicating a bullish sentiment in the market [1][12]. Market Overview - On July 22, the A-share market saw a slight increase, with the Shanghai Composite Index rising by 0.25% to 3568.78 points, the Shenzhen Component Index up by 0.56% to 11069.57 points, and the ChiNext Index increasing by 0.69% to 2312.74 points [1]. - The total trading volume in the Shanghai and Shenzhen markets exceeded 1.14 trillion yuan, an increase of 513 billion yuan compared to the previous trading day [4]. Sector Performance - The infrastructure sector experienced a significant rally, with concepts related to hydropower construction, cement manufacturing, and large-scale infrastructure leading the gains. Notably, stocks related to the Yajiang Hydropower Station and water conservancy projects remained hot [4][5]. - Conversely, sectors such as the internet, insurance, and banking saw overall declines, with specific stocks like PEEK materials and Yushun Robotics underperforming [4]. Notable Stocks - The Yajiang Hydropower Station concept stocks saw explosive growth, with over 20 stocks hitting the daily limit up, including companies like China Power Construction and Poly United [10][11]. - CATL's A shares rose nearly 3%, accumulating over 8% in the last three days, while its H shares increased nearly 3%, with a total rise of over 14% in the same period [13]. Special Mention - The Science and Technology Innovation Board (STAR Market) celebrated its sixth anniversary, having accepted 589 companies with a total market capitalization of nearly 8 trillion yuan, showcasing its role in China's capital market reform [18].