房地产板块再度活跃，市北高新、绿地控股涨停

Group 1 - The real estate sector is becoming active again, with companies such as Shibei Gaoxin (600604) and Greenland Holdings (600606) hitting the daily limit up [1] - Yuhua Development (000514) has seen an increase of over 9% [1] - Other companies like Everbright Jiabao (600622) and Waigaoqiao (600648) opened significantly higher [1] Group 2 - There is a surge of dark pool funds flowing into these stocks [1]