The most-traded copper contract on the Shanghai Futures Exchange rose 0.2 percent to 51,220 yuan ($8,050.67) a tonne on Tuesday. Shanghai zinc futures rose for the first time in eight sessions, rallying more than 2 percent on Monday, on a mix of short-covering and buying by consumers of the steel-making metal that has been in a shortage for much of the past year. Shanghai Futures Exchange (ShFE) zinc rose 2.3 percent to close at 23,910 yuan ($3,756.19) per tonne. This was the first day of gains since April 23. The contract earlier fell to as low as 23,145 yuan, its lowest since August.