▁company ▁in ▁the ▁min ing ▁and ▁met all urg ical ▁operations ▁in ▁Mexico ▁and ▁Latin ▁America . ▁It ▁is ▁the ▁world ' s ▁largest ▁producer ▁of ▁ref ined ▁silver ▁and ▁b ism uth ▁among ▁others , ▁as ▁well ▁as ▁Latin ▁America ' s ▁largest ▁producer ▁of ▁lead ▁and ▁z inc . ▁ ▁Prof ut uro ▁Group ▁▁ ▁Born ▁from ▁G NP , ▁Prof ut uro ▁is ▁a ▁ret irement ▁fund ▁manager ▁( A fore , ▁the ▁Mexican ▁equivalent ▁of ▁a ▁ 4 0 1 ( k )) ▁of ▁Mexican ▁workers ▁. ▁The ▁company ▁is ▁the ▁fourth ▁largest ▁sector ▁and ▁the ▁only ▁one ▁that ▁isn ' t ▁back ed ▁by ▁a ▁financial ▁group . ▁ ▁VAL ME X ▁▁ ▁It ▁is ▁a ▁bro ker age ▁born ▁in ▁ 1 9 7 9 , ▁offering ▁special ized ▁products ▁and ▁services ▁for ▁invest ment ▁in ▁the ▁Mexican ▁market . ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁B AL ▁Group ▁page ▁▁▁ ▁Category : C ong l omer ate ▁companies ▁of ▁Mexico <0x0A> </s> ▁Beth ▁N ug ent ▁( born ▁c . ▁ 1 9 5 8 ) ▁is ▁an ▁American ▁writer ▁and ▁academic . ▁ ▁She ▁received ▁her ▁B A ▁from ▁Connecticut ▁College ▁in ▁ 1 9 7 8 , ▁and ▁her ▁M FA ▁from ▁the ▁University ▁of ▁Iowa ▁in ▁ 1 9 8 2 . ▁ ▁N ug ent ▁has ▁published ▁two ▁books : ▁ ▁City ▁of ▁Boys ▁( 1 9 9 2 ), ▁a ▁collection ▁of ▁short ▁stories , ▁and ▁Live ▁Girls ▁( 1 9