NEW YORK--(BUSINESS WIRE)--Fitch Ratings has assigned the following ratings for Autoridad del Canal de Panama's: --Long Term Issuer Default Rating (IDR) 'A'; --Proposed senior unsecured notes 'A (EXP)'. The Rating Outlook is Stable. The expected ratings reflect the strategic importance of Autoridad del Canal de Panama (ACP) and the legal framework that provides autonomy to the entity. ACP's stable performance based on the canal's resilience to economic downturns, solid competitive position and