Amalgamated Metal Trading Limited (AMT), the leading brokerage firm of the London Metal Exchange (LME), issued a daily review of LME's base metals on the 20th. Copper: The market is light and it is expected that the trend will continue to be maintained in the short term. Aluminium: It is heavier to sell on the upside, and it is expected that the trend will be mainly in the short term. Lead: The trend is uncertain, keep watching. Zinc: Underlying profit-taking pressure, it is expected that short-term profit-taking will still be heavy. Tin: Driven by short covering, it broke through the resistance at $7,700. It is expected to drop at the level of 8,000 USD, and it will oscillate at the range of 7900-8000 USD in the short term. Nickel: It oscillated in the interval of USD, but closed at 14250 USD. It is expected that the market will continue to decline.