Why the world’s mining companies are so stingy

Mining companies have spent much of the past decade in investors’ bad books. Throughout the 2000s and early 2010s the industry, betting that the surge in commodity prices brought on by China’s economic rise would persist, splurged on investments and racked up hefty debts in the process. At the height of the frenzy in 2013 the combined capital expenditure of the world’s 40 largest mining firms by market value reached $130bn, according to…