On Dec. 17, 2012, the day’s biggest mover was the cash price of primary copper, which saw a 0.6 percent increase on the LME to $8,047 per metric ton. Also on the LME, the 3-month price of copper increased 0.4 percent to $8,065 per metric ton.
The price of US copper producer grades 110 and 122 rose 0.5 percent. The price of US copper producer grade 102 gained 0.4 percent. For the fifth day in a row, the cash price of primary Japanese copper remained essentially flat.
Chinese copper prices were mixed for the day. Chinese copper wire gained 0.3 percent. Chinese copper bar prices rose 0.2 percent. The cash price of Chinese copper inched up 0.2 percent. The price of Chinese bright copper scrap was unchanged.