Mineradoras ADRs
finance.yahoo.com/quotes/BLT.L,GLEN.L,RIO.L,VALE,AAL.L/view/dv
finance.yahoo.com/echarts?s=GLEN.L&t=1m&l=on&z=m&q=l&c=vale%2Crio.l%2Cblt.l%2Caal.l
