Copper extends slide

Since hitting a 17-month high above $US6000 on November 11, copper has dropped nearly 10 per cent.

​Copper clocked its biggest weekly fall in a month as the US dollar soared to a 14-year high.

Iron ore tops $US70 on Trump win

Iron ore has surged to $US70 a tonne following Donald Trump's victory. Analysts and investors are split on whether the two are linked.