Danzer Group, a Switzerland-based wood processor, denied accusations by activist groups that one of its senior managers was responsible for human rights abuses in the Democratic Republic of Congo in 2011.
Eurasian Natural Resources Corp., an iron ore and ferrochrome producer in Kazakhstan, slumped in London trading after three executives were said to have quit and another take a leave of absence amid a possible buyout bid.
Nigeria and Angola, Africa’s biggest oil producers, have granted stakes in oil fields to companies that may be acting as fronts for government officials, stifling development in both countries, according to anti-corruption group Global Witness.
Dan Gertler’s bearded face lights up as he looks out the helicopter window. Below, an installation twice the size of Monaco rises from a clearing in the central African forest, where it transforms ore mined from the ochre earth into sheets of copper.