Question: Dollar increase of 3M on the latest trading day（based on the latest closing price and the previous closing price）
Date: 2025/8/14
Answer (translation): Required Content: The latest price change in dollars of 3M
Accuracy Requirements: Only rounding errors are allowed
Ground-truth data: MMM___N: RT_TIME: 160000
RT_DATE: 20250813
RT_CHG: 2.35