Mine Closures and Shortages are Sending Base Metal Zinc Higher

``According to a recent report from the Wall Street Journal, global supply for zinc is shrinking, sending investors scrambling to buy up shares of mining companies and forcing the U.S. Mint to redouble its cost-cutting efforts in search of a cheaper penny.'' -- Note that silver is often a byproduct of zinc mining, as well, so this will additionally crimp silver supply...