SHANGHAI, May 8 (SMM) - On May 8, premiums of Jinchuan nickel were 8,800-9,000 yuan/mt. The average premium stood at 8,900 yuan/mt, up 150 yuan/mt from the previous trading day. Premiums of NORNICKEL nickel stood at 7,200-7,600 yuan/mt. The average premium was 7,400 yuan/mt, an increase of 150 yuan/mt from the previous trading day. Nickel prices moved rangebound. The downstream companies were less willing to restock after the Labour Day holiday, but the spot pure nickel market still saw some trades in the early trading. Nickel briquette prices were 190,500-191,300 yuan/mt, an increase of 2,550 yuan/mt from the previous trading day. The nickel briquette transactions were slack as it was still traded at premiums over nickel sulphate.