There have been no ma... )--On the effective date of Dec. 30, 2014, Fitch Ratings will downgrade the short-term rating to 'F1' from 'F1+' assigned to the $30,000,000 Denton Independent School Distri... )--O'Brien will be based in the firm's Chicago office, focused on the orthopaedics and spine space. Previously, O'Brien spent 10 years at William Blair, where he was most... )--Fitch Ratings has affirmed the ratings for Dover Corporation , including the Long-term Issuer Default Rating at 'A'.