Potbelly acquired by convenience-store operator RaceTrac for $566 million

Sandwich shop chain Potbelly will be acquired by convenience-store operator RaceTrac in a $566 million all-cash deal, the company announced Wednesday.The deal is expected to close in the fourth quarter of the year. Shares of Potbelly shot up more than 30% following the announcement.The Chicago-based Potbelly has more than 445 stores in the U.S., including franchised locations, with a goal of reaching 2,000, according to the company. RaceTrac, a family-owned company headquartered in Atlanta, operates more th ...