Question: 恒生指数最新价格
Answer: 必答点：恒生指数最新股票价格（即最新交易日收盘价）
精度要求：仅允许四舍五入误差
Date: 2025/8/14
Reference data: {"HSI___HI":{"RT_TIME":"160903","RT_LAST":"25519.32","RT_DATE":"20250814"}}