商业航天板块强势回归，航空航天ETF（159227）涨幅3.83%，规模稳居同类第一

Group 1 - The A-share market saw a positive performance in the afternoon, with the aerospace sector showing strong gains, particularly the Aerospace ETF (159227), which rose by 3.83% and achieved a trading volume of 5.33 billion yuan, making it the largest in its category [1] - Key stocks in the aerospace sector, such as Triangle Defense, Beimo High-Tech, and Aero Engine Corporation, reached their daily limit, while Steel Research High-Tech increased by over 12% [1] - The Aerospace ETF has reached a total scale of 29.75 billion yuan, making it the largest in its category [1] Group 2 - Recent updates from three commercial aerospace companies, including Xinghe Power, Xingji Glory, and Tianbing Technology, regarding their listing guidance, along with the acceptance of Blue Arrow Aerospace's IPO application and the completion of guidance filing by China Aerospace, indicate that five core enterprises focused on launch vehicles are preparing to compete for the title of "first commercial aerospace stock" [1] - According to Ping An Securities, the aerospace sector is recognized as an important new productive force in the country, benefiting from government support, technological advancements, and supply chain development, leading to an acceleration in space launch tasks [1] - The continuous decrease in rocket launch costs and the maturation of recovery technologies are expected to further expedite the rocket launch process [1] Group 3 - The Aerospace ETF (159227) closely tracks the National Aerospace Index, covering leading companies across the entire industry chain, including fighter jets, aircraft engines, rockets, missiles, satellites, and radars, aligning perfectly with the strategic direction of "integrated air and space" [2] - The ETF includes emerging fields such as large aircraft, commercial aerospace, and low-altitude economy, with a high commercial aerospace content of 70.19% [2]