有色金属板块多数飘红 沪锡主力涨逾2%

Group 1 - The domestic futures market for non-ferrous metals showed a mostly positive trend on December 3, with the main tin futures rising over 2% [1] - As of the latest data, polysilicon futures increased by 1.42% to 57,165.00 CNY/ton, while alumina futures decreased by 1.49% to 2,637.00 CNY/ton [1] - The main aluminum futures rose by 0.34% to 21,930.00 CNY/ton, and the main tin futures increased by 2.02% to 311,980.00 CNY/ton [1] Group 2 - The opening and closing prices for various non-ferrous metal futures on December 3 were reported, with notable movements in contracts such as alumina, lithium carbonate, and copper [2] - The main alumina futures opened at 2,671.00 CNY and closed at 2,677.00 CNY, while the main lithium carbonate futures remained stable at 96,560.00 CNY [2] - The main copper futures opened at 89,100.00 CNY and closed at 89,090.00 CNY, indicating slight fluctuations in the market [2] Group 3 - The basis data as of November 2 indicated that certain commodities like zinc, nickel, industrial silicon, and international copper experienced a 'backwardation' phenomenon, where spot prices exceeded futures prices [2] - The basis and basis rate for various metals were detailed, showing that nickel had a positive basis of 2,427 CNY with a basis rate of 2.02%, while polysilicon had a negative basis of -4,365 CNY with a basis rate of -8.39% [3] - The current spot price for copper was reported at 88,735 CNY, with a negative basis of -355 CNY against the futures price [3]