The prices of US copper producer grades 102, 110 and 122 experienced the biggest price decline of the day, dropping 1.8 percent on Jan. 15, 2013.
The cash price of primary Japanese copper was unchanged.
Chinese copper closed mixed on Tuesday. Chinese copper bar fell 0.3 percent on Tuesday. The cash price of Chinese copper declined 0.3 percent. Chinese copper wire ended the day after a 0.3 percent drop yesterday. The price of Chinese bright copper scrap held steady.
The copper 3-month price saw a 0.5 percent decline on the LME to $8,030 per metric ton. The cash price of primary copper weakened by 0.2 percent on the LME, settling at $8,069 per metric ton.