Question: 寒武纪最近一个交易日的涨跌幅
Date: 2025/8/14
Answer: 必答点：寒武纪的最新涨跌幅
精度要求：仅允许四舍五入误差
Ground-truth data: 688256___SH: RT_TIME: 153022
RT_PCT_CHG: 0.10350000000000001
RT_DATE: 20250814