NY -- Standard&Poor's CreditWire 11/13/97 -- Standard&Poor's today took various rating actions on Allstate Corp. and its subsidiaries. These actions included: -- Raising the issuer credit and senior debt ratings of Allstate Corp. to single-'A'-plus from single-'A', and company's shelf debt rating to preliminary single-'A'-plus/single-'A' from preliminary single-'A'/single-'A'-minus. -- Affirming the double-'A' counterparty credit and claims-paying ability ratings of the Allstate Insurance Group members.*; -- Affirming the double-'A'-plus long-term counterparty credit and claims-paying ability ratings of the Allstate Life Insurance Group members** and the 'A-1'-plus short-term rating of Allstate Life Insurance Co.; and -- Raising the trust preferred stock ratings of Allstate Financing I and II to single-'A'-plus from single-'A'. The ratings outlook is stable. The