黑色系期货主力合约整体小幅走高，铁矿石、热卷均由跌转涨；焦煤涨幅扩大至2.09%，焦炭涨幅扩大至1.24%。

Group 1 - The main futures contracts in the black commodities sector experienced a slight overall increase, with iron ore and hot-rolled coil shifting from decline to growth [1] - Coking coal saw an increase of 2.09%, while coking coke's increase expanded to 1.24% [1]