Copper prices plunged to their lowest levels in more than three months, as growing concerns over the euro zone's fiscal health and tighter monetary policy in top consumer China drove investors away into the safety of the US dollar.
Aluminum slumped to $US2,032 a tonne, its lowest since November 30, zinc slid to $US2,010, its lowest since the middle of October and lead fell to a five-month trough at $US1,951.
London Metal Exchange copper for three-month delivery fell to $US6,329 a tonne, its lowest since October 19. The metal used in power and construction ended at $US6,390 a tonne from $US6,590 at the close on Wednesday.
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