Copper prices rose to a new 10 and a half month high on Friday as hopes for an economic recovery held sway and overshadowed concerns prices had gone up too high too soon.
The omens for industrial metals next year are not good because consumer and corporate confidence as well as demand could disappoint.
Zambia asks mining firms to cut output as it tests a recently rehabilitated power plant.
China's Jinchuan Group will take a stake of about 51% in Zambia's sole nickel mine Munali, which is due to resume output in September.
First Quantum said it was mystified by a newswire story saying the Democratic Republic of Congo government had cancelled its $600m tailings treatment project.
Rio Tinto's Palabora Mining declared a substantial interim dividend on Tuesday following a drop in net earnings coupled with an increase of cash in hand.
African Eagle has seen promising results from its second nickel deposit, but said it is too early for the company to make a decision on whether or not to change its focus from Dutwa.
Copper and aluminium prices struck multi-month highs on Friday, fuelled by economic data suggesting global economic recovery may be on the way.
Zambia's largest cobalt producer Chambishi Metals has agreed cobalt concentrate supply deals with some mines in the Democratic Republic of Congo.
Metorex's flagship Ruashi mine exceeded company expectations in the June quarter, overshooting production expectations by nearly 1,000 tonnes.