海南自贸区板块反复活跃，海马汽车涨停

Core Viewpoint - The Hainan Free Trade Zone sector is experiencing significant activity, with Haima Automobile hitting the daily limit, and other companies such as Hainan Mining, Luoniushan, Hainan Haiyao, Shennong Seed Industry, and Hainan Huatie also seeing gains following the introduction of 60 key measures to accelerate the construction of a credible free trade port in Hainan [1] Group 1 - Haima Automobile reached the daily limit increase in stock price [1] - Hainan Mining, Luoniushan, Hainan Haiyao, Shennong Seed Industry, and Hainan Huatie followed suit with price increases [1] - The introduction of 60 key measures aims to enhance the development of the Hainan Free Trade Port [1]