零售板块盘初拉升，德必集团20cm涨停

Group 1 - Retail sector saw a significant rise at the beginning of trading, with Debi Group (300947) hitting a 20% limit up [1] - Jifeng Technology (300022) increased by over 7% [1] - Other companies such as Hebai Group (000417), Yonghui Supermarket (601933), and Nanning Department Store (600712) also experienced gains [1] Group 2 - There is a notable influx of dark pool funds into these stocks, indicating potential investor interest [1]