A股开盘：三大指数微幅低开

Market Overview - The A-share market opened with the Shanghai Composite Index down by 0.05%, the Shenzhen Component Index down by 0.07%, and the ChiNext Index down by 0.05% [1] Sector Performance - The military industry sector continued to show activity, indicating ongoing interest and investment in this area [1] - Precious metals and brain-computer interface sectors experienced declines, leading the market in losses [1]