Copper closed firm early on Wednesday, tracking a positive tone in equity markets, after a batch of generally upbeat data in the United States reinforced healthier economic recovery prospects in the world's largest economy. COMEX copper for December delivery climbed 5.30 cents, or 1.4 percent, to settle at $3.7555 per lb. New York commodity markets will be closed on Thursday, November 25, for the US Thanksgiving Day holiday.
Volumes were running slightly ahead of rates recorded the day before Thanksgiving one year ago, with 48,584 lots traded by 2:29 pm EST (1929 GMT), Thomson Reuters preliminary data showed.