Final prices in dollars per ton - cash and forward. Also given are the previous trading day's quotations, according to dpa. # cash forward Copper 7,990.00 ( 7,975.00) 7,925.00 ( 7,920.00) Lead 2,077.00 ( 2,071.50) 2,085.00 ( 2,080.00) Zinc 4,075.50 ( 4,068.00) 4,052.50 ( 4,047.50) Tin 14,225.00 (14,025.00) 14,025.00 (13,812.50) Aluminium 2,195.50 ( 2,195.00) 2,235.50 ( 2,235.00) Nickel 53,550.00 (52,725.00) 50,650.00 (50,150.00) -- SPA