Group 1 - Aerospace Electric has experienced a decline for four consecutive trading days, with a cumulative drop of -4.97% [1] - Guizhou Aerospace Electric Co., Ltd. is a listed company under the China Aerospace Science and Industry Corporation's Tenth Research Institute [1] - In the second quarter of this year, E Fund's Defense and Military Industry Mixed A Fund increased its holdings in Aerospace Electric, achieving a year-to-date return of 14.04%, ranking 2118 out of 4504 in its category [1] Group 2 - He Chongkai, the fund manager of E Fund's Defense and Military Industry Mixed A, holds a master's degree in management and has been with E Fund for over five years [3][4] - He Chongkai is currently the assistant general manager of the equity investment management department at E Fund and has previously worked as an industry researcher [3][4] - E Fund was established in April 2001 and has multiple shareholders, with Yingfeng Group, Guangdong Yuecai Trust, and GF Securities each holding 22.65% [4]