Fitch Affirms Ratings on Flagstone Re; Outlook to Negative

(BUSINESS WIRE) -- Fitch Ratings has affirmed its ratings on Flagstone Reinsurance Holdings, S.A. /quotes/comstock/13*!fsr/quotes/nls/fsr (FSR 9.25, -0.02, -0.16%) and subsidiaries (collectively Flagstone) following the company's announcement that it...