[World Financial News] The following is a daily review of metals trading published on December 21 by Amalgamated Metal Trading Limited (AMT), a leading brokerage firm of the London Metal Exchange (LME). Copper: The copper price in early morning rose to a three-week high and it dropped to a low of $3050 in midday and closed at a resistance level of $3,120 again, but it failed to rebound. It is expected that it will open high on the 22nd. Aluminum: Not provided. Zinc: Affected by the lack of fund buying, zinc prices were flat, with midday dropping to 1,228 US dollars and closing from the intraday low. If zinc prices continue to rebound, it will trigger a new round of selling. Tin: Tin prices fluctuated on a range day and trading was light. The price of tin was again limited by the selling pressure of the Far East. Nickel: boosted by buying funds, nickel prices in early trading rose to a high of 15,400 US dollars, midday dropped to a low of 14,650 US dollars and closed at 15,000 US dollars. Once the fund profits, nickel prices will fall below the current level. Lead: The current day's lead prices were flat and did not follow the uptrend of copper and nickel.