SUGAR LAND--March 3, 2016--Researched by Industrial Info Resources (Sugar Land, Texas)--By most measures, last year was not kind to global metals and mining companies. Slammed with low commodities prices, at least four of the mining majors reported big losses for 2015. Still, executives maintain hope that prices have shown signs of bottoming out. Within this article: Details planned capital expenditures by Rio Tinto plc (NYSE:RIO), BHP Billiton (NYSE:BHP), Vale S.A. (NYSE:VALE) and Glencore plc.