雷科防务(002413.SZ)：上半年净亏损4167.21万元

Group 1 - The core viewpoint of the article is that 雷科防务 (Leike Defense) reported its 2025 semi-annual results, showing a revenue increase but a net loss [1] - The company achieved an operating income of 542 million yuan, representing a year-on-year growth of 9.77% [1] - The net profit attributable to shareholders was a loss of 41.67 million yuan, and the net profit after deducting non-recurring gains and losses was a loss of 54.62 million yuan [1] - The basic earnings per share were reported at -0.03 yuan [1]