SHANGHAI, Apr. 21 (SMM) – Last Friday night, SHFE 1406 aluminum contract was range-bound after starting at RMB 13,230/mt, and finished the night session flat with the opening price. Trading volumes totaled 952 lots, and positions added 62 lots to 114,216 lots. On Monday, the most active contract remained range-bound, closing the day at RMB 13,200/mt. Trading volumes totaled 7,960 lots, and positions fell 2,002 lots to 112,214 lots.