Anglo Platinum CEO Neville Nicolau says the group may increase production by up to 200,000oz of platinum this year in response to improving market conditions.
A Chinese firm is to invest $600 mln in Zambian copper mines.
De Beers' company, the Diamond Trading Company, extends sightholders' contracts by a year.
The Korea Iron & Steel Association said it has joined European and Chinese steel bodies to oppose recent raw material price increases.
Russia's UC RUSAL, the world's biggest aluminium producer, plans to boost output and restart a mothballed plant after reporting a better-than-expected profit for the second half of 2009.
Rio Tinto says it is dumping the annual iron ore pricing in favour of quarterly pricing. It is the last of the top three to do so.
Continued strong demand for rough diamonds will see significant gains in revenue and cash flow for all diamond miners this year according to RBC Capital Markets analyst Des Kilalea.
Diamond giant De Beers has announced the appointment of Barend Petersen as CEO of De Beers Consolidated Mines (DBCM) with effect from April 2010.
The global copper market showed a supply surplus of 777,000 tonnes in 2009 due to weak demand from economies outside of China, GFMS says.
Anglo American nears the sale of its $1bn-plus zinc businesses.