SHANGHAI, Apr. 30 (SMM) – On Tuesday night, SHFE 1407 aluminum contract drifted lower after starting at RMB 13,445/mt, and finished the night session at RMB 13,395/mt. Trading volumes totaled 14,282 lots, and positions increased 536 lots to 117,066 lots. On Wednesday, the most active contract extended losses as pre-holiday risk aversion ran rampant, touching a session low of RMB 13,305/mt and closing RMB 135/mt or 1% lower at RMB 13,330/mt. Trading volumes totaled 28,806 lots, and positions shrank 2,264 lots to 114,802 lots.