Final prices in dollars per ton - cash and forward. Also given are the previous trading day's quotations, according to dpa. # cash forward Copper 6,195.50 ( 6,137.50) 6,207.50 ( 6,152.50) Lead 2,219.50 ( 2,064.50) 2,232.50 ( 2,077.50) Zinc 1,858.50 ( 1,798.50) 1,882.50 ( 1,825.50) Tin 14,647.50 (14,105.00) 14,387.50 (13,825.00) Aluminium 1,665.00 ( 1,670.00) 1,695.00 ( 1,700.00) Nickel 18,070.00 (18,017.50) 18,075.00 (18,012.50) #