▁April ▁ 1 0 , ▁ 2 0 0 7 , ▁the ▁R ink er ▁board ▁of ▁direct ors ▁approved ▁an ▁upgrad ed ▁offer ▁of ▁US D ▁ 1 4 . 2 ▁billion , ▁and ▁on ▁June ▁ 7 , ▁ 2 0 0 7 , ▁CE ME X ▁secured ▁the ▁commit ment ▁from ▁the ▁hold ers ▁of ▁more ▁than ▁ 5 0 % ▁of ▁the ▁shares ▁to ▁complete ▁the ▁ac quisition . ▁ ▁Rec ent ▁history ▁( 2 0 0 6 – ) ▁In ▁November ▁ 2 0 0 6 , ▁an ▁American ▁emb ass y ▁cable ▁released ▁via ▁Wik i Le aks ▁listed ▁C em ex ▁among ▁" M ex ico ' s ▁mon opol ists ", ▁with ▁a ▁market ▁share ▁of ▁ 8 7 . 6 %; ▁its ▁compet itor ▁Hol c im ▁Ap as co ▁was ▁listed ▁with ▁a ▁market ▁share ▁of ▁ 1 2 . 4 %. ▁ ▁Short ly ▁after ▁the ▁apparent ▁final ization ▁of ▁the ▁R ink er ▁deal ▁on ▁ 2 0 0 7 , ▁the ▁United ▁States ▁Department ▁of ▁Justice ▁brought ▁an ▁ant it rust ▁law suit ▁against ▁CE ME X , ▁blocking ▁the ▁ac quisition . ▁After ▁a ▁length y ▁process , ▁CE ME X ▁comp lied ▁with ▁regul ators ▁by ▁div est ing ▁( s elling ) ▁ 4 0 + ▁c ement ▁and ▁concrete ▁plants ▁formerly ▁part ▁of ▁itself ▁or ▁R ink er , ▁essentially ▁de valu ing ▁the ▁initial ▁deal . ▁ ▁In ▁April ▁ 2 0 0 8 ,