Group 1 - The China Defense Index (399973) has seen a strong increase of 2.01%, with notable gains in constituent stocks such as China Haifang (600764) up 8.31%, Haige Communication (002465) up 4.59%, and Aerospace Rainbow (002389) up 4.15% [1] - The Defense ETF (512670) rose by 1.97%, with the latest price reported at 0.78 yuan [1] - The military industry sector is experiencing a surge, particularly in aircraft carrier concepts, indicating a positive market sentiment [2] Group 2 - Investment focus in the military sector is on four high-certainty directions: the main battle equipment industry chain from a military trade perspective, advanced combat fields such as underwater offense and defense, military-civilian integration in technology sectors, and reform and asset securitization strategies [2] - The China Defense Index closely tracks the performance of listed companies under the ten major military groups, reflecting the overall performance of defense industry listed securities [2] - As of October 31, 2025, the top ten weighted stocks in the China Defense Index account for 44.41% of the index, including companies like AVIC Shenyang Aircraft (600760) and AVIC Engine (600893) [3]