The cash price of primary copper saw the biggest decline of the day, dropping 0.7 percent on the LME to close at $8,276 per metric ton on Oct. 4, 2012. Also on the LME, the copper 3-month price declined 0.6 percent to $8,284 per metric ton.
Following a couple days of improvement, the prices of US copper producer grades 102, 110 and 122 weakened by 0.2 percent. For the fifth consecutive day, the cash price of primary Japanese copper held flat.
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Meanwhile, Chinese copper prices were flat for the day. Chinese copper bar saw little change in its price on Thursday, and the Chinese copper cash price, copper wire and bright copper scrap saw essentially no change.