OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on November 21, 2006 made $2 640 for a ton of aluminium, $6 857 for a ton of copper, $1 537 for a ton of lead, $31 600 for a ton of nickel, $9 920 for a ton of tin, $4 289 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 650 for a ton of aluminium, $6 875 for a ton of copper, $1 522 for a ton of lead, $30 850 for a ton of nickel, $9 945 for a ton of tin, $4 250 for a ton of zinc.