Johnson Fistel Investigates Portillo's Inc. (NASDAQ: PTLO) After Lowered 2025 Outlook and Strategic Reset Share SAN DIEGO--(BUSINESS WIRE)--Johnson Fistel, PLLP is investigating Portillo's Inc. (NASDAQ: PTLO) on behalf of investors who suffered losses and whether those losses may be recoverable under federal securities laws. Johnson Fistel, PLLP is investigating Portillo's Inc. (NASDAQ: PTLO) on behalf of investors who suffered losses and whether those losses may be recoverable under federal securities laws ...