Group 1 - The black commodity futures experienced a sharp rise, with iron ore main contract increasing by over 1% [1] - The rebar main contract rose by more than 0.5% [1] - The hot-rolled coil main contract reversed from a decline to an increase [1] Group 2 - The main contract for coking coal saw its decline narrow to 1.80% [1] - The main contract for coking coal also had its decline narrow to 0.52% [1]