Group 1 - The core point of the news is that Jiangsu Pioneer Precision Technology Co., Ltd. experienced a 5.05% drop in stock price, reaching 76.83 yuan per share, with a trading volume of 348 million yuan and a turnover rate of 10.79%, resulting in a total market capitalization of 15.549 billion yuan [1] - The company, established on March 20, 2008, specializes in the precision manufacturing of key components for domestic semiconductor etching and thin film deposition equipment [1] - The revenue composition of the company's main business includes: process components 71.38%, structural components 19.61%, other components 3.83%, modules 3.79%, surface treatment 0.83%, and others (supplementary) 0.56% [1] Group 2 - Among the top ten circulating shareholders of Pioneer Precision, a fund under Nuoan Fund holds a position, specifically Nuoan Growth Mixed A (320007), which increased its holdings by 744 shares in the second quarter, totaling 649,800 shares, representing 1.61% of the circulating shares [2] - The fund has a current scale of 18.447 billion yuan and has achieved a return of 47.75% this year, ranking 1206 out of 8162 in its category; over the past year, it has returned 62.86%, ranking 677 out of 8015 [2] - The fund manager, Liu Huiying, has been in charge for 3 years and 74 days, with a total asset scale of 23.674 billion yuan, achieving the best fund return of 77.68% and the worst return of 16.3% during her tenure [2]

Group 1 - The core viewpoint of the news is the performance and financial details of Jiangsu Pioneer Precision Technology Co., Ltd., which saw a stock price increase of 5.05% to 72.13 CNY per share, with a total market capitalization of 14.598 billion CNY [1] - The company specializes in the precision manufacturing of key components for semiconductor etching and thin film deposition equipment, with its main business revenue composition being: process components 71.38%, structural components 19.61%, other components 3.83%, modules 3.79%, surface treatment 0.83%, and others 0.56% [1] - The company was established on March 20, 2008, and is located in the Jiangsu Province Jingjiang Economic Development Zone [1] Group 2 - Western Lide Fund's Event-Driven Stock A (671030) entered the top ten circulating shareholders of Pioneer Precision, holding 263,400 shares, which is 0.65% of the circulating shares, with an estimated floating profit of approximately 914,100 CNY [2] - The fund has a total scale of 475 million CNY and has achieved a return of 66.36% this year, ranking 170 out of 4220 in its category [2] - The fund's performance over the past year has been 109.19%, ranking 117 out of 3846, and since its inception, it has returned 293.89% [2]