国内商品期货开盘，铂主力合约跌停

Group 1 - The core point of the article highlights significant declines in various domestic commodity futures, with platinum futures hitting the limit down, palladium dropping over 12%, and silver falling nearly 7% [1] - International copper and Shanghai copper both decreased by over 4%, while Shanghai gold fell by more than 3% [1] - In contrast, asphalt and methanol saw increases of over 1% [1]