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 3,188.00 ( 3,092.50) 3,220.00 ( 3,127.50) Lead 1,113.50 ( 1,147.50) 1,117.50 ( 1,152.50) Zinc 1,101.00 ( 1,075.50) 1,122.00 ( 1,096.50) Tin 10,840.00 (10,862.50) 10,800.00 (10,812.50) Aluminium 1,040.00 ( 1,045.00) 1,075.00 ( 1,075.00) Nickel 11,300.00 (11,200.00) 11,350.00 (11,250.00) #