RUSAL, the world's leading aluminium producer, restarts plans to list on the Hong Kong stock exchange to raise $2bn.
CAMEC posts a full-year loss of $343m and says its plant in the Congo will be completed by the end of October. It reiterates has accepted a $955m takeover bid.
ARM looks for coal and platinum prospects in Zimbabwe. It is advancing its copper plays and has its Namibian gold project up for sale.
Newmont Mining has temporarily suspended mining operations at a copper and gold mine in Indonesia because of what it called "a geotechnical failure".
BHP Billiton will start searching for copper, gold and silver in Zambia from next month.
First Quantum Minerals has been forced to stop work on the Kolwezi project in the Democratic Republic of Congo and it seems a legal battle is looming.
Glencore International and Credit Suisse are said to be in advanced discussions about creating the world's first physically backed aluminium exchange traded fund.
Glencore's Mopani Copper Mines has reversed a plan to suspend output at its copper mines because of a pick up in prices.
Zincor plans to meet customers' short-term requirements and it will decide early next week when to restart halted operations.
AngloGold Ashanti and RUSAL are among three firms into which the Guinea government will conduct an audit investigation.