商业航天板块走弱，航天动力触及跌停

Group 1 - The commercial aerospace sector is experiencing a downturn, with significant declines in stock prices [1] - Aerospace Power has hit the daily limit down, indicating severe market pressure [1] - Other companies such as Aerospace Nanhu, Aerospace Mechatronics, Aerospace Development, Ruike Laser, China Satellite Communications, and Lucky Film have also seen their stock prices drop in tandem [1]