Final prices in dollars per ton - cash and forward today. Also given are the previous trading day's quotations, according to DPA. # cash forward Copper 3,182.50 ( 3,305.50) 3,222.50 ( 3,345.00) Lead 1,113.50 ( 1,138.00) 1,122.50 ( 1,145.00) Zinc 1,087.00 ( 1,103.00) 1,113.50 ( 1,128.50) Tin 11,120.00 (11,325.00) 10,900.00 (11,075.00) Aluminium 1,115.00 ( 1,105.00) 1,145.00 ( 1,135.00) Nickel 9,812.50 (10,150.00) 9,887.50 (10,225.00) #