SHANGHAI, Apr. 4 (SMM) – On Thursday night, SHFE 1406 aluminum contract was range-bound, with opening and closing prices at RMB 13,100/mt and RMB 13,080/mt, respectively. Trading volumes totaled 5,572 lots, and positions increased 210 lots to 123,080 lots. On Friday, the most active contract climbed to RMB 13,170/mt before finishing the daytime session RMB 75/mt higher at RMB 13,155/mt. Trading volumes totaled 19,546 lots, and positions added 346 lots to 123,426 lots.