By THE PULSE NEWS MEXICO STAFF     Despite a downgrade by “Big Three” credit rating agency Fitch one day earlier, Mexican President Andrés Manuel López Obrador (AMLO) told reporters on Wednesday, Jan. 30, that the state-run oil company Petróleos Mexicanos (Pemex) is stronger financially than it has been in 30 years. The New York-based Fitch downgraded Pemex by two notches from