A股早评：三大指数小幅高开，海南自贸区概念涨势延续，海汽集团、海南发展、海南瑞泽涨停；金银价格屡创新高，黄金股上涨

Group 1 - The A-share market opened with slight gains, with the Shanghai Composite Index up 0.04% at 3919.11 points, the Shenzhen Component Index up 0.05%, and the ChiNext Index up 0.14% [1] - The Hainan Free Trade Zone concept continues to show strong performance, with companies such as Hainan Airlines Group (603069), Hainan Development, and Hainan Ruize (002596) reaching their daily price limit [1] - Gold and silver prices are hitting new highs, which has led to an increase in gold-related stocks [1]