午后异动！002320，快速涨停

Core Viewpoint - The adjustment of the duty-free shopping policy for travelers in Hainan is expected to boost the local economy and positively impact related stocks, particularly in the tourism and transportation sectors [1][4]. Group 1: Stock Performance - Hainan stocks showed significant movement, with Haixia Co., Ltd. (002320) reaching a rapid limit-up, later fluctuating before closing at the limit again. Other stocks like Hainan Airport and Kangzhi Pharmaceutical rose over 5%, while Hainan Bus Group increased nearly 4% [1]. - Haixia Co., Ltd. reported a 9.98% increase in stock price, with a 30.48% rise over the past five days. Hainan Airport's stock rose by 5.42%, and Kangzhi Pharmaceutical's stock increased by 5.26% [2]. Group 2: Company Developments - Haixia Co., Ltd. indicated that the operation of the entire Hainan island as a closed-off area is expected to enhance passenger flow, linking the company's growth closely to the regional economy [4]. - In the first half of the year, Haixia Co., Ltd. achieved a revenue of 2.721 billion yuan and a net profit of 126 million yuan. The company has integrated resources from China COSCO Shipping (Dalian) to enhance its operational capabilities [4].