国防军工概念高开低走

Group 1 - The defense and military industry concept opened high but closed low, indicating volatility in the sector [1] - Hengyu Xintong experienced a decline of over 10%, reflecting significant downward pressure on the stock [1] - Other companies such as Aileida, JianShe Industrial, Beifang Changlong, and Guanshang Technology also saw declines of over 5%, suggesting a broader trend of negative performance in the industry [1]