商业航天概念盘初调整，天箭科技一字跌停

Group 1 - The commercial aerospace sector experienced an initial adjustment on December 30, with Tianjian Technology hitting a daily limit down [1] - Other companies such as Shenjian Co., Chaojie Co., Chuangyuan Technology, Jiuding New Materials, and Aerospace Huanyu saw declines exceeding 5% [1]