Core Insights - On October 22, Guodian Nanzi's stock price fell by 5.16%, closing at 12.12 CNY per share, with a trading volume of 714 million CNY and a turnover rate of 5.75%, resulting in a total market capitalization of 12.312 billion CNY [1] Company Overview - Guodian Nanjing Automation Co., Ltd. is located in Nanjing, Jiangsu Province, and was established on September 22, 1999, with its listing date on November 18, 1999 [1] - The company primarily engages in research, development, production, sales, and consulting services related to power transmission and transformation protection, control and automation systems, and various industrial control and automation equipment [1] - The revenue composition of the company's main business includes: - Grid Automation: 47.55% - System Integration Center: 18.68% - Power Plant Automation: 14.99% - Information Technology: 9.47% - Hydropower Automation: 2.02% - Power Electronics: 2.01% - Information Security: 1.82% - Rail Transit Automation: 1.68% - Intelligent Primary Equipment: 1.29% - Other: 0.37% and 0.12% [1] Fund Holdings - According to data, one fund under Rongtong holds a significant position in Guodian Nanzi. The Rongtong CSI A500 Index Enhanced A (022820) fund held 197,600 shares in the second quarter, accounting for 1.37% of the fund's net value, making it the ninth-largest holding [2] - The estimated floating loss for the fund today is approximately 130,400 CNY [2] Fund Manager Performance - The fund manager for Rongtong CSI A500 Index Enhanced A (022820) is He Tianxiang, who has a tenure of 11 years and 1 day, managing a total asset size of 7.662 billion CNY, with the best fund return during his tenure being 121.62% and the worst being -80.34% [3] - Co-manager Xiong Junjie has a tenure of 2 years and 7 days, managing assets of 999.7 million CNY, with the best return of 31.47% and the worst return of 0.78% during his tenure [3]