好当家等预制菜概念股：12.3部分涨停，多股上涨

Core Viewpoint - On December 3rd, certain pre-made meal concept stocks in the A-share market showed strong performance, indicating a growing interest and potential in this sector [1] Group 1: Stock Performance - Companies such as Haodangjia, Hebai Group, Haixin Food, Jinzi Ham, Tongqinglou, and Shuangqiang Technology reached their daily limit up [1] - Xianyin Food increased by over 5%, while Yike Food rose nearly 3% [1]