免税概念午后走强，海南发展直线拉升涨超7%

Group 1 - The duty-free concept saw a strong performance in the afternoon of February 5, with Hainan Development surging over 7% [2] - Other stocks such as Caesar Travel, Zhuhai Duty-Free Group, Zhongbai Group, and Haixia Co. also experienced gains [2]