On Jan. 21, 2013, the copper 3-month price experienced the biggest change, rising 1.6 percent on the LME to $8,050 per metric ton. Also on the LME, the cash price of primary copper increased 1.6 percent to $8,084 per metric ton.
The price of US copper producer grade 122 inched up 0.5 percent to $4.30 per pound. The price of US copper producer grade 110 gained 0.5 percent to finish at $4.30 per pound. At $4.49, the price of US copper producer grade 102 finished the market day up 0.4 percent per pound. For the fifth day in a row, the Japanese copper cash price remained essentially flat at JPY 640,000 ($7,096) per metric ton.
Chinese copper prices were mixed for the day. Chinese copper bar prices inched up 0.1 percent to CNY 58,580 ($9,426) per metric ton. The Chinese copper cash price rose 0.1 percent to CNY 58,780 ($9,458) per metric ton. The price of Chinese copper wire held steady at CNY 57,740 ($9,290) per metric ton. The price of Chinese bright copper scrap saw little movement at CNY 48,800 ($7,852) per metric ton.