A股海南板块午后异动，海峡股份冲击涨停

Core Viewpoint - The A-share market in Hainan experienced significant movements, with several stocks, including Haixia Co., Hainan Airport, Hainan Highway, and Hainan Passenger Transport Group, showing notable gains following the announcement of adjustments to the duty-free shopping policy for travelers in Hainan, effective from November 1 [1] Group 1 - Haixia Co. approached the daily limit of increase [1] - Hainan Airport's stock rose over 7% [1] - Hainan Passenger Transport Group's shares increased by more than 6% [1] - Hainan Highway saw a rapid surge in its stock price [1] Group 2 - The announcement was made by the Ministry of Finance and two other departments [1] - The new policy is set to take effect on November 1 [1]