AM Best reviews major carriers for possible upgrades

Allstate, Hannover Re, Munich Re and Swiss Re may receive rating
upgrades from AM Best, which placed the four carriers and a variety
of operating units under review today with positive
implications.
The reviews of the carriers' financial strength ratings
(FSRs) and long-term issuer credit ratings were prompted by recent
revisions in AM Best's rating methodology for (re)insurers.
Hannover Re, Munich Re and Swiss Re all have A+ (superior) FSR
ratings currently. Allstate, as a holding entity, does