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.
Metals from copper to aluminum fell again Friday, and were heading for their worst week of the year, after data showed Chinese factory activity shrinking at the fastest pace since 2009.
New techniques for tailings treatment and sulfide ore recovery will see low-cost environmentally friendly heap leaching take another giant leap forward.
