A股海南自贸区板块盘初走强，海马汽车、欣龙控股涨停，金盘科技、海南发展、罗牛山、海南瑞泽、海峡股份跟涨

Group 1 - The A-share market in Hainan Free Trade Zone showed strong performance at the beginning of trading, with notable stocks such as Haima Automobile and Xinlong Holdings hitting the daily limit up [1] - Other companies including Jinpan Technology, Hainan Development, Luoniushan, Hainan Ruize, and Haixia Shares also experienced upward movement in their stock prices [1]