CHICAGO--(BUSINESS WIRE)--Fitch Ratings has revised the ratings on XLIT Ltd.'s (XL, a Cayman Islands subsidiary of XL Group plc) preference shares to 'BBB-' from 'BBB'. A full list of affected ratings follows below. No other ratings were affected by today's action. KEY RATING DRIVERS The rationale for the ratings revision reflects a revised view on the part of Fitch of the appropriate regulatory environment to be considered for the notching of XL's hybrid securities under recently updated notch