晓数点｜一周个股动向：最牛股已走出8连板，银行、建材行业获主力抢筹

Market Overview - A-shares experienced a rise and subsequent pullback during the week of October 27 to 31, with the Shanghai Composite Index breaking through 4000 points for the first time in 10 years [1] - By the end of the week, the Shanghai Composite Index increased by 0.11%, the Shenzhen Component Index rose by 0.67%, and the ChiNext Index gained 0.5% [1] Sector Performance - Quantum technology concepts led the gains, while sectors such as new energy, cultivated diamonds, and storage chips also showed active performance [1] - The banking and construction materials sectors attracted significant capital inflows, with banks receiving a net inflow of 8.45 billion yuan [8] Stock Performance - A total of 23 stocks saw a rise of over 30%, with Time Space Technology and Strait Innovation both exceeding 60% gains [4] - Conversely, 80 stocks experienced a decline of over 10%, with eight stocks, including Pearl River Piano and Sino Medical, dropping more than 20% [4] Trading Activity - 49 stocks had a turnover rate exceeding 100%, with Chaoying Electronics leading at 279.46% [6] - The electronics, pharmaceutical, and computer sectors dominated the high turnover stocks [6] Institutional Interest - 425 companies were surveyed by institutions, with Union Medical receiving the most attention from 317 institutions [13] - Institutions focused on sectors such as pharmaceuticals, industrial machinery, electronic components, and electrical equipment [13] Financing Activity - A total of 2032 stocks received net financing purchases, with 170 stocks exceeding 100 million yuan in net purchases [11] - Shenghong Technology topped the list with a net purchase of 18.46 billion yuan [12] New Ratings - 87 stocks received initial attention from institutions, with Naxin Micro receiving a "Buy" rating and a target price of 207 yuan [15][16] - Other stocks such as Tengjing Technology and Kingsoft Office also received favorable ratings from various securities firms [16][17]