SHANGHAI, Nov. 25 (SMM) – Spot copper in Shanghai was quoted at a premium of RMB 90-180/mt over SHFE 1312 copper contract on Monday. Traded prices were RMB 51,020-51,100/mt for standard-quality copper, and RMB 51,080-51,160/mt for high-quality copper. Cargo holders were anxious to sell for cash, causing premium to narrow. Traders were wary of stepping in, with some buying spot copper while selling SHFE copper. Downstream producers watched from the sidelines at the beginning of the week.