SHANGHAI, Aug. 3 (SMM) –Spot copper discounts were quoted between negative RMB 250-150/mt today. Trade prices for standard-quality copper were between RMB 71,600-71,700/mt, and RMB 71,650-71,850/mt for high-quality copper. Although SHFE copper prices moved higher after a low open, spot copper discounts were not seen to increase. Cargo-holders were slightly reluctant to move goods. More participants with optimistic outlooks entered into the market, and downstream producers continued to make purchases at low prices, improving market transactions.