South Africa seeks to extract greater tax revenues from its mining companies as they struggle to deal with rising costs and declining commodities prices.
Resource nationalism, poor infrastructure that hinders development and supply chain disruptions are some of the biggest risks the global mining sector will face this year.
Australia's mining and oil companies have increasingly resorted to disingenuous "backdoor listings", as the country's IPO market continues to languish.
With scores of visitors waiting in line to collect their badges at the registration desk, foot traffic in the corridors of the Antwerp Diamond Bourse and the Diamond Club of Antwerp was strong, turning the exhibition booths of the 83 participating companies into beehives of activity.