Today, spot prices of #1 copper cathode in North China were at a discount of 180 yuan/mt to 80 yuan/mt against the front-month contract, with an average discount of 130 yuan/mt, unchanged from the previous trading day. The transaction prices ranged from 78,110 yuan/mt to 78,300 yuan/mt, with an average price of 78,205 yuan/mt, down 25 yuan/mt from the previous trading day. Trading activity was sluggish.