The cash price of Japanese primary copper rose 1.9 percent to close at JPY 687,000 ($8,410) per metric ton on April 19, 2012. US copper producer grade 110 prices saw a 0.3 percent decline to $6.62 per pound. The price of US copper producer grade 102 fell 0.3 percent to $6.81 per pound.
Chinese copper prices closed mixed on Thursday. Chinese copper wire saw its price rise 0.6 percent to CNY 57,450 ($9,121) per metric ton. The cash price of Chinese primary copper on the SHFE gained 0.2 percent to finish at CNY 58,500 ($9,287) per metric ton. Chinese bright copper scrap held its value on Thursday at CNY 49,700 ($7,890) per metric ton.
On the LME, the 3-month price of primary copper rose 0.2 percent to $8,035 per metric ton. The cash price of primary copper saw a 0.2 percent decline on the LME to $8,085 per metric ton.