Iron ore falls to three-week low as steel mill margins collapse
By Emily Ou YongIron ore futures fell to their lowest level since August 24 on Monday, as steel mill profitability tumbled to a historic low.The most-traded January iron ore contract on China's Dalian Commodity Exchange (DCE) COMEX:TIO1! traded 1.39% lower at 710 yuan ($105.86) a metric ton, as of…