A股海南概念股集体走弱，海马汽车触及跌

Group 1 - The A-share market saw a collective decline in Hainan concept stocks, with Haima Automobile hitting the daily limit down [1] - Hainan Ruize, Caesar Travel, and Kangzhi Pharmaceutical all dropped over 7% [1] - Hainan Haiyao, Haixia Shares, Shennong Seed Industry, and Xinlong Holdings fell more than 6%, while Hainan Mining decreased over 5% [1] Group 2 - Haide Shares, Hainan Airport, and Hainan Airlines Group experienced declines of over 4% [1]