Question: 京东方 A 最近一个交易日的开盘价是多少？
Answer: 必答点：京东方A最新交易日的开盘价
精度要求：仅允许四舍五入误差
Date: 2025/8/14
Reference data: {"000725___SZ":{"RT_TIME":"150000","RT_OPEN":"3.98","RT_DATE":"20250814"}}