COMEX copper futures closed with minor losses Friday, although prices were mostly supported this week by a more dovish tone from the Federal Reserve, rein- vigorated trade optimism and a strike at a major copper mine in Chile. Copper for September delivery, the active month, slid 0.80 cent to close at 270.40 cents/lb, while the June spot month dipped 0.95 cent to 270.60 cents.
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