海南自贸区板块高开低走，神农种业跌超9%

Group 1 - Hainan Free Trade Zone sector opened high but closed low, indicating a bearish trend [1] - Shennong Agricultural (300189) fell over 9%, reflecting significant market pressure [1] - Xinlong Holdings (000955) declined more than 8%, contributing to the overall downturn in the sector [1] - Hainan Ruize (002596) dropped over 7%, further indicating weakness in the market [1] - Other companies such as Haima Automobile (000572), Hainan Rubber (601118), and Hainan Haiyao (000566) also experienced declines [1]