NEW YORK (GenomeWeb) – Fitch Ratings this week affirmed three of its BBB- ratings for PerkinElmer. The ratings were affirmed for the company's issuer default rating, its credit facility, and its senior unsecured notes. Additionally, Fitch revised PerkinElmer's ratings outlook to Positive from Stable. The rating action applies to about $858 million of consolidated debt outstanding as of June 30.

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