Jersey Mike's Is Winning the Sub War. It Still Needs to Win Over Gen Z - Heard on the Street — WSJ

By David WainerAffluent older Americans might be the best customers in U.S. dining. They have savings, are relatively insulated from economic swings and, most valuable to a restaurant chain, prefer the familiar to the trendy.Jersey Mike's Subs, which recently went public after a Blackstone takeover…