5月8日电，黑色系期货跳水，焦煤、焦炭主力合约跌近3%，铁矿主力合约跌近2%，螺纹、热卷主力合约跌近1%。

Group 1 - The black commodity futures experienced a significant drop, with coking coal and coke main contracts falling nearly 3% [1] - Iron ore main contracts declined by nearly 2% [1] - Rebar and hot-rolled coil main contracts decreased by nearly 1% [1]