多股涨超10%，商业航天再度走强

Group 1 - The commercial aerospace sector has been actively rising recently, with significant stock price increases observed on December 19 [1] - Notable stock performances include Huati Technology with a two-day consecutive rise, Xue Ren Group and Guoji Precision Engineering hitting the daily limit, and Aerospace Intelligent Manufacturing increasing by over 19% [1] - Other companies such as Youji Co., Guanglian Aviation, Xingchen Technology, and Aerospace Intelligent Equipment also saw stock price increases exceeding 10% [1] Group 2 - Specific stock price changes include Aerospace Intelligent Manufacturing up by 19.05% to 26.87, Youji Co. up by 17.11% to 30.19, and Xinke Technology up by 17.26% to 10.60 [2] - Guanglian Aviation increased by 11.28% to 27.13, while Xingchen Technology and Aerospace Intelligent Equipment rose by 10.12% to 29.16 and 10.22% to 28.68 respectively [2] - Other notable increases include Huati Technology at 10.03% to 19.31 and Xue Ren Group at 10.01% to 20.34 [2]