Fitch Ratings has upgraded the ratings of SiriusPoint Ltd, including the Insurer Financial Strength [IFS] rating of its operating subsidiaries to ‘A’ [Strong] from ‘A-’, its Long-Term Issuer Default Rating [IDR] to ‘BBB+’ from ‘BBB’, and its senior debt rating to ‘BBB’ from ‘BBB-’. The Rating Outlook is Stable. The ratings agency said, “The upgrade of …