The Dalian Commodity Exchange vowed to severely punish unspecified violations in iron ore trading.
Iron ore price retreat on Tuesday after Chinas commodity exchanges moved to raise trading limits and margin requirements for somecontracts and reinstated fees on steel futures.

After a record high on ...

https://www.mining.com/iron-ore-price-rally-slows-as-china-moves-to-cool-speculative-flows/

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