Copper fell more than one-percent on Monday, failing to join in a broad-based equities rally as concerns about the sustainability of the global economic recovery began to bite. COMEX May copper closed down 5.30 cents, that is 1.2 percent, at $4.2860 per lb, near the bottom of its $4.2665 to $4.3685 range. Prices are down about 8 percent from last month's record highs at $10,190 per tonne and $4.6575 per lb.
In other metals, aluminium rose to a session high of $2,604 a tonne before trimming gains to close up $10 at $2,570.