CHICAGO–(BUSINESS WIRE)–Fitch Ratings has affirmed Morgan Stanley’s (MS) Long-Term and Short-Term Issuer Default Ratings (IDRs) at ‘A/F1’, and its Viability Rating (VR) at ‘a’. The Rating Outlook is Stable. The rating affirmations have been taken in conjunction with Fitch’s periodic review of the Global Trading and Universal Banks (GTUBs). KEY RATING DRIVERS IDRs, VR, SENIOR DEBT, AND DERIVATIVE COUNTERPARTY Fitch’s affirmation of MS’s ratings and maintenance of a Stable Outlook reflect its s