{"stock_code": "600621", "stock_name": "华鑫股份", "market_type": "A", "analysis_date": "2026-05-18T09:39:13.388882", "structure_snapshot": {"structure_type": "downtrend", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 13.62, "label": "近期低点（2026-04-07）"}, {"price": 13.65, "label": "近30日最低收盘价"}, {"price": 14.83, "label": "MA60压力位"}], "trend_description": "当前价格13.90元，低于MA5(14.33)、MA20(14.23)、MA60(14.83)和MA200(15.73)。MA5/MA20在近20个交易日内出现两次金叉和一次死叉（最近一次金叉发生在2026-05-06，价格14.41元），均线