SHANGHAI, Aug. 26 (SMM) –Spot copper offers were quoted between premiums of positive RMB 0-120/mt today. Trade prices for standard-quality copper were between RMB 67,050-67,200/mt in the morning business, and RMB 67,100-67,300/mt for high-quality copper. Spot premiums declined within positive RMB 100/mt as imported copper increased, although SHFE copper prices fell from highs, and offers for hydro-copper even turned into discounts levels. Short-term bets on QE3 in the US and low premiums attracted some speculators to participate in the market, and transactions were mainly made at low prices. Although buying interest improved, it was still depressed by increasing market supply.