SHANGHAI, Aug. 28 (SMM) – SHFE 1711 aluminum opened at RMB 16,320/mt on Monday. Long buying the contract up to RMB 16,525/mt in the afternoon. But, prices then fell back on short selling, and ended at RMB 16,450/mt. For SHFE 1711 aluminum, trading volumes rose to 283,892 lots, and positions were up 6,202 lots to 370,964 lots. Positions of all SHFE aluminum contract fell 15,332 lots to 992,954 lots. SHFE 1711 aluminum will fluctuate at highs in the short term.