房地产板块盘初走弱，首开股份、香江控股跌停

Group 1 - The real estate sector showed weakness at the beginning of trading, with several companies experiencing significant declines [1] - Notable companies that hit the limit down include Shoukai Co., Xiangjiang Holdings, and ST Nanzhi, among others [1] - Other companies that followed the downward trend include Zhujiang Co., Huachao City A, Wolong New Energy, and Jintou Chengkai [1]