Copper price keeps soaring amid commodities rally

Copper price surged again on Tuesday after the metal shot above $9,000 a tonne for the first time in nine years.

March contracts rose 1.5% to $4.1790 per pound ($9,193.8 per tonne) in New York, its highest level since an August 2011 high of $4.50.

Click here for an interactive chart of copper prices.

Copper is surging amid a broad rally in metals from iron ore to nickel. The bellwether industrial metal has doubled in price since a nadir in March, also boosted by rapidly tightening physical markets and prospects for rebounding economic growth.