Moody's praises higher than expected valuation for the sale of the niobium, phosphate businesses and improving prospects for the global diamond market.
Top global producer sees surplus this year and next as mines pump out more metal and predicts decline in copper price from today's levels through 2017.
Current oil oversupply could reverse within 20 years as low oil prices have forced pricers to slash spending on exploration and production, a report by Wood Mackenzie shows.
Despite the dilemmas in recent years, which continue to persist, emerging trends in the mining industry may offer solutions — or at least opportunities for improvement industry-wide.