突发跌停潮，什么原因？短期波动不改长期逻辑，机构：国防军工是大国崛起的必需品，是典型的长久期核心资产

Group 1 - The core event on September 3 led to significant volatility in the defense and military industry, with the CSI Military Index dropping, and notable declines in stocks such as AVIC Chengfei down 14.34% and several others hitting the daily limit down [1][3] - The defense and military sector is expected to see a new growth cycle, with institutions emphasizing the importance of increasing attention on this sector due to favorable conditions [3][5] - The recent surge in leveraged funds has amplified short-term fluctuations in the sector, with the financing balance of the defense military ETF reaching a new high [4] Group 2 - The year 2025 is highlighted as a critical point for the military and defense industry, coinciding with the end of the 14th Five-Year Plan and the beginning of the 15th Five-Year Plan, which is expected to bring new growth opportunities [5] - The "August 1" military ETF (512810) covers a wide range of themes including commercial aerospace, low-altitude economy, large aircraft, deep-sea technology, military AI, and controllable nuclear fusion, serving as an efficient tool for investing in core assets of the defense industry [5]