海南板块盘初下挫，海南发展跌超7%，海南瑞泽跌超6%，海南海药、神农种业等跟跌。

Group 1 - The Hainan sector experienced a decline at the beginning of trading, with Hainan Development falling over 7% [1] - Hainan Ruize dropped more than 6%, indicating a significant downturn in the market [1] - Other companies such as Hainan Haiyao and Shennong Seed Industry also followed the downward trend [1]