封关正式启动，海南板块全线“爆发”

Group 1 - The Hainan stock sector experienced a significant surge, with the Hainan Free Trade Zone index rising by 5.33% and 29 constituent stocks collectively increasing, driven by the official launch of the island-wide closure operation on December 18 [1] - The core regulatory model of the closure operation focuses on "opening up the first line, controlling the second line, and allowing freedom within the island," with key policies including the expansion of the "zero tariff" product range, optimization of trade management measures, clarification of port layout and passage rules, and strengthening the implementation of tax incentives [1] - The launch of the island-wide closure operation marks a critical milestone in the construction of the Hainan Free Trade Port, opening new development opportunities for various industries, particularly in tourism, trade, transportation, finance, duty-free shopping, and high-end healthcare [1] Group 2 - Four categories of companies are expected to benefit significantly: those with substantial foreign trade operations in Hainan, infrastructure companies benefiting from Free Trade Port construction, tourism-related companies gaining from expanded duty-free shopping, and local enterprises enjoying "zero tariff, low tax rate, and simplified tax system" policies [2] - Industries closely aligned with the closure policies, such as tourism and trade, are poised for certain development opportunities, with companies like China Duty Free Group, Hainan Development, and Hainan Airlines expected to leverage consumption benefits from duty-free business layouts [3] - Transportation companies like Hainan Airlines and Haixia Co. can capitalize on their route and hub advantages to share in the growth of traffic, while healthcare companies like Kangzhi Pharmaceutical and Hainan Haiyao can reduce costs and increase efficiency through zero tariff policies [3]