Iron ore, coal prices tumble as China power shortages hit steel mills


Dalian and Singapore iron ore futures slumped for a fourth consecutive session on Wednesday, trading near $100 a tonne, as electricity rationing in parts of China has led to steel mill shutdowns.

Iron ore's most-traded January 2023 contract on China's Dalian Commodity Exchange tumbled as much as 4.4% to 683.50 yuan ($100.87)...