Copper and iron ore tumble as growth fears roil metals markets

Iron ore plunged and copper sank to a four-month low as worries over Chinese steel production, global growth risks and the prospect of reduced U.S. stimulus roiled metals markets.
 

This week’s drop for iron ore accelerated, with futures sliding as much as 12% to the lowest since December in Singapore on expectations that Chinese steel output and consumption will weaken over the rest of the year, partly as authorities curb pollution. Prices are more than 40% below a record high reached just three months ago.

Metals markets have also been pressured by worries that the Federal Reserve may soon start curbing