Final prices in dollars per ton - cash and forward. Also given are the previous trading day's quotations, according to dpa. # cash forward Copper 7,909.00 ( 7,917.50) 7,805.00 ( 7,817.50) Lead 3,126.50 ( 3,258.50) 3,125.50 ( 3,252.50) Zinc SH 3,611.50 ( 3,802.50) 3,577.50 ( 3,644.00) Tin 15,417.50 (15,215.00) 15,462.50 (15,275.00) Aluminium 2,150.00 ( 2,170.00) 2,200.00 ( 2,220.00) Nickel 30,965.00 (31,825.00) 30,925.00 (31,800.00) #