SHANGHAI, Sept. 7 (SMM) – Trading prices of spot aluminum in Shanghai were between RMB 17,750-17,780/mt on September 7th, with premiums of positive RMB 20-50/mt over SHFE current-month aluminum prices. Low-iron aluminum was traded between RMB 17,800-17,840/mt. Trading prices of spot aluminum in Wuxi were between RMB 17,720-17,780/mt. Following a slight rebound in SHFE aluminum prices, spot premiums narrowed to less than RMB 50/mt. Though buying interest was moderate in the market, general market sentiment improved with stabilizing prices. This also boosted goods holder confidence to hold their quotes firm in the future.