Heartland Value Fund's Views on Potbelly Corporation (PBPB) [Yahoo! Finance]
SHAREHOLDER INVESTIGATION: Halper Sadeh LLC Investigates PGRE, BERY, PBPB on Behalf of Shareholders
SHAREHOLDER INVESTIGATION: Halper Sadeh LLC Investigates PGRE, BERY, PBPB on Behalf of Shareholders
POTBELLY INVESTOR ALERT by the Former Attorney General of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Potbelly Corporation - PBPB
3 Restaurant Stocks with Open Questions [Yahoo! Finance]