Group 1 - The core point of the news is that Jiangsu Pioneer Precision Technology Co., Ltd. experienced a 5% drop in stock price, reaching 76.87 yuan per share, with a total market capitalization of 15.557 billion yuan as of October 13 [1] - The company specializes in the precision manufacturing of key components for domestic 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 in the second quarter, holding 263,400 shares, which accounts for 0.65% of the circulating shares [2] - The estimated floating loss for Western Lide Fund today is approximately 1.0669 million yuan [2] - The fund has achieved a year-to-date return of 64.53%, ranking 197 out of 4220 in its category, and a one-year return of 89.29%, ranking 15 out of 3855 [2]