竞价看龙头 百大集团（5板）高开4.49%

Group 1 - The market focus stocks include Baida Group, which opened up 4.49%, and Shengtong Energy, which saw a limit-up due to a change in actual controller [1] - Other notable movements include PIANO opening up 8.40%, and Sanyangma, a smart driving concept stock, opening up 3.15% [1] - The nuclear power sector saw Bofei Electric open up 4.89%, while Guojizhongzhuang opened down 1.32% [1] Group 2 - In the retail sector, Nanjing Shanglv opened up 7.98%, while Liqun Co. opened down 2.55% [1] - The optical communication sector had Zhongci Electronics opening up 0.44%, and in the financial technology sector, Cuiwei Co. opened down 0.85% [1]