NEW YORK--(BUSINESS WIRE)--Fitch Ratings has affirmed Digital Realty Trust, Inc.'s (NYSE: DLR, Digital) Issuer Default Rating (IDR) at 'BBB' and maintained the Stable Rating Outlook following its announced acquisition of Telx, a provider of colocation and interconnection services. A full list of rating actions follows at the end of the press release. KEY RATING DRIVERS The affirmation of DLR's ratings and Outlook reflect that while the transaction moderately increases leverage in the near term,