US copper producer grade 110 prices saw the biggest shift of the day on copper markets, dropping 1.3 percent on May 9, 2012. The price of US copper producer grade 122 weakened by 1.3 percent, and the price of US copper producer grade 102 also declined 1.3 percent. The Japanese primary copper cash price remained essentially flat at under $8,600 per metric ton.
Chinese copper prices were down for the day. Chinese copper bar fell 0.6 percent yesterday. The cash price of Chinese primary copper saw a 0.6 percent decline on the SHFE to CNY 58,730 ($9,332) per metric ton. Chinese copper wire prices saw a 0.5 percent decline, and following a quiet couple of days, the price of Chinese bright copper scrap fell 0.2 percent on Wednesday.
On the LME, the 3-month price of primary copper fell 1.1 percent to $8,132 per metric ton. The primary copper cash price saw a 0.7 percent decline on the LME to $8,234 per metric ton.