Following a three-day flat streak, US copper producer grade 110 price climbed by 1.4 percent on Dec. 28, 2012. The price of US copper producer grade 122 rose by 1.4 percent as well, while the price of US copper producer grade 102 showed little movement last Friday.
The Japanese copper cash price was unchanged.
Chinese copper prices were mixed for the day. Chinese copper wire prices inched up 0.2 percent. Following a two-day rise, the price of Chinese copper bar flattened. After a couple of days of improving prices, the Chinese copper cash price held steady. The price of Chinese bright copper scrap remained essentially flat.
The cash price of primary copper nudged up 1.2 percent on the LME last Friday, closing at $7,897 per metric ton. After a 1.2 percent increase, the copper 3-month price finished the day on the LME at $7,871 per metric ton.