SHANGHAI, Oct. 15 (SMM) – October aluminum on the Shanghai Futures Exchange (SHFE), slid by RMB 185/mt after opening on Tuesday. This caused SHFE 1312 aluminum contracts, the most active one, to decline to an session low of RMB 14,330/mt after starting the day at RMB 14,445/mt. SHFE aluminum for December delivery ended down RMB 85/mt at RMB 14,350/mt, surrendering gains made during previous days. Trading volumes contracted 84 lots to 5,688 lots, and positions also shrank 286 lots to 66,286 lots.