Other Chain News: Portillo’s IPO, Buffalo Wild Wings Employs Flippy, And BJ’s Move Back To Physical Menus

These chain stories caught my eye as they directly affect each brand’s E&S practices:    –Chicago-based Portillo’s, a concept that has some of the highest average store sales of any limited-service brand, joined the ranked of public companies Oct. 21, listing itself on NASDQ and raising $405 million. The chain, which currently has 67 units, will…