Peru's investment grading has been increased. See http://www.ft.com/cms/s/0/04ad677c-010d-11dd-a0c5-000077b07658,noOfParas=2,emailFormat=plainText,storyType=ultralight,dwp_uuid=a22ad130-8ad8-11db-8940-0000779e2340,print=no,_i_email=y.html