As prices for the company's four key "pillar" commodities —iron ore, metallurgical coal, copper and oil and gas — have all dropped to multi-year lows in the past 12 months.
We're not in 2008 – plotting global economic growth against commodity prices shows metals and mining sell-off is disconnected from realities on the ground.
Appian Capital founder Michael Scherb: "You're now seeing the same changes in mining that happened in oil and gas which is now heavily supported by PE"
Today may be the end of this trend of divergence. US equities are at a precipice: fueled by low rates and quantitative easing for years, they have finally started to tumble from record highs.