Final prices in dollars per ton - cash and forward. Also given are the previous trading day"s quotations, according to dpa: # cash forward Copper 6,952.50 ( 6,776.50) 6,977.50 ( 6,802.50) Lead 2,387.50 ( 2,313.50) 2,412.50 ( 2,337.50) Zinc 2,270.00 ( 2,337.50) 2,299.00 ( 2,232.50) Tin 15,150.00 (14,970.00) 15,125.00 (14,950.00) Aluminium 1,815.00 (no data) 1,845.00 (no data) Nickel 16,915.00 (no data) 16,975.00 (no data) #