SHANGHAI, Jan. 4 (SMM) – Spot aluminum was mainly traded at RMB 15,060-15,080/mt in Shanghai on Friday, with discounts at RMB 50-70/mt. Low-iron aluminum was traded at RMB 15,110-15,130/mt. SHFE 1303 aluminum contract prices moved lower after a high opening on the first trading day of 2013, triggering strong wait-and-see sentiment in spot market. Cargo holders moved limited goods, helping aluminum prices stabilize at RMB 15,060/mt. Downstream producers showed little interest in stock replenishment, leaving trading light.