TAHOE RESOURCES: GUATEMALAN SITUATION “THE SAME” WITHOUT A RESOLUTION; PERU AND ONTARIO MINES OPERATE MOSTLY OKAY 5/21/2018  

SOUTH32 SHARE BUYBACKS, HIGHER MANGANESE PRICES INCREASE EARNINGS AND CASH FLOW AND LOWERS NET DEBT 5/18/2018

SPOT MARKETS – – GLOBAL COPPER MINE OUTPUT UP 5.3% AS CHILE, INDONESIA AND ZAMBIA SURGE AND NICKEL MINES UP 16.9% AS INDONESIA AND PHILIPPINES SURGE 5/11/2018