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• December silver was up 19.7 cents to $5.420 an ounce on Comex.
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Also on COMEX, copper prices reversed a recent downtrend and closed higher.
The merger between Commodity Exchange Inc. and the New York Mercantile exchange has created the world's largest physical futures trading exchange. Since the merger in 1994, the COMEX division has incorporated the trading of aluminum future contracts.
• One of the financial markets, for short