Group 1 - Postal Savings Bank of China (PSBC) shares increased by 1.97% to 6.21 CNY per share, with a trading volume of 1.279 billion CNY and a market capitalization of 745.79 billion CNY [1] - PSBC has experienced a continuous increase in stock price for four consecutive days, with an unspecified cumulative increase percentage [1] - The bank was established on March 6, 2007, and listed on December 10, 2019, providing banking and related financial services in China [1] Group 2 - The main business revenue composition of PSBC includes personal banking (69.57%), corporate banking (19.70%), funding business (10.65%), and other services (0.07%) [1] - Jiutai Fund's Jiutai Jiusheng Quantitative Mixed A Fund (001897) holds 280,000 shares of PSBC, representing 5.46% of the fund's net value, making it the third-largest holding [2] - The fund has gained approximately 3.36 million CNY in floating profit today and 1.7388 million CNY during the four-day increase [2] Group 3 - The fund manager of Jiutai Jiusheng Quantitative Mixed A Fund is Yuan Duowu, who has been in the position for 5 years and 42 days [3] - The fund's total asset size is 11.8 million CNY, with the best return during the manager's tenure being 77.95% and the worst being -6.86% [3]