The provided content does not contain any specific quantitative models or factors, nor does it include detailed construction processes, formulas, or backtesting results related to quantitative models or factors. The documents primarily focus on market performance, sector analysis, investor sentiment, ETF premiums/discounts, institutional activity, and other market-related data. There is no relevant content to summarize under the requested structure.

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].

- The report does not contain any quantitative models or factors for analysis[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][30][31][32][33][34][35][36][37][38][39][40][41]