NEW YORK--(BUSINESS WIRE)--Fitch Ratings has affirmed the Issuer Default Ratings (IDRs) of Regal Entertainment Group (Regal) and Regal Cinemas Corporation (Regal Cinemas) at 'B+'. All other issue ratings have been affirmed. The Rating Outlook remains Stable. A full list of rating actions follows at the end of this release. KEY RATING DRIVERS Regal's ratings reflect Fitch's belief that movie exhibition will continue to be a key promotion window for the movie studios' biggest/most profitable rele