Final prices in dollars per ton - cash and forward. Also given are the previous trading day's quotations. # cash forward Copper 3,725.50 ( 3,637.00) 3,757.50 ( 3,665.00) Lead 1,182.00 ( 1,201.50) 1,195.00 ( 1,215.00) Zinc SH 1,265.50 ( 1,236.00) 1,262.50 ( 1,240.00) Tin 12,995.00 (12,982.50) 12,750.00 (12,862.50) Aluminium 1,310.00 ( 1,335.00) 1,355.00 ( 1,380.00) Nickel 10,535.00 (10,080.00) 10,650.00 (10,200.00)