Roundup: Allstate acquisition / Walgreens clinics / Brooks Brothers By Deanna B. Narveson - July 8, 2020 FacebookXLinkedinEmailPrint Insurance merger: Insurance giant Allstate is buying National General Holdings for $4 billion in cash, expanding the scope of its insurance holdings. Allstate, based in Northbrook, Ill., said that Nat… Already an INSIDER? Sign in.