Final prices in dollars per ton - cash and forward, Also given are the previous trading day's quotations, according to dpa. # cash forward Copper 7,498.00 ( 7,380.50) 7,524.00 ( 7,407.50) Lead 2,445.50 ( 2,440.50) 2,467.50 ( 2,462.50) Zinc 2,471.50 ( 2,439.50) 2,499.50 ( 2,467.50) Tin 17,905.00 (18,055.00) 17,975.00 (18,125.00) Aluminium 2,085.00 ( 1,975.00) 2,115.00 ( 2,005.00) Nickel 18,812.50 (18,575.00) 18,887.50 (18,650.00) #