Dropping 1.3 percent on the LME, the copper cash price was the biggest mover MetalMiner’s copper price index on Sept. 18, 2012, closing at $8,292 per metric ton. Also on the LME, the 3-month price of copper fell 1.1 percent to $8,311 per metric ton.
The prices of US copper producer grades 102, 110 and 122 all held steady on Tuesday. For the fifth day in a row, the Japanese copper cash price remained essentially flat above $8,100 per metric ton.
Chinese copper prices were mixed for the day. The price of Chinese copper wire declined 0.8 percent after two days of improvement. The price of Chinese copper bar weakened by 0.7 percent.
After improving for two days, the cash price of Chinese copper also declined 0.7 percent. The price of Chinese bright copper scrap remained steady above $7,900 per metric ton.