Final prices in dollars per ton - cash and forward, Also given are the previous trading day's quotations, according to dpa. # cash forward Copper 7,371.50 ( 7,415.50) 7,407.50 ( 7,452.50) Lead 2,224.50 ( 2,215.00) 2,248.50 ( 2,242.50) Zinc 2,285.50 ( 2,303.50) 2,317.50 ( 2,337.50) Tin 18,305.00 (18,055.00) 18,375.00 (18,125.00) Aluminium 2,040.00 ( 1,990.00) 2,065.00 ( 2,015.00) Nickel 25,515.00 (25,640.00) 25,575.00 (25,700.00) #