SHANGHAI, Oct. 9 (SMM) – Spot aluminum was mainly traded between RMB 15,430-15,450/mt in Shanghai on Tuesday, with discounts between RMB 50-30/mt. Low-iron aluminum was traded at RMB 15,510-15,520/mt. The decline of the current-month contract dragged down spot aluminum prices. Downstream producers and middlemen build stocks mildly, while cargo holders held prices firm at RMB 15,440/mt, helping spot discounts to narrow within RMB 50/mt. Still, some traders lowered prices to cash in. Trading improved from a day earlier.