CHICAGO–(BUSINESS WIRE)–Fitch Ratings has affirmed the long-term foreign and local currency Issuer Default Rating (IDRs) of Volcan Compania Minera S.A.A. (Volcan) at ‘BBB-‘. Fitch has also affirmed the ‘BBB-‘ rating on the company’s USD600 million senior unsecured 5.375% notes due 2022. The Rating Outlook has been revised to Stable from Negative. Volcan’s Stable Outlook reflects the company’s improved financial performance following successful reductions in its cash costs, coupled with lowere