NEW YORK, July 06, 2025 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of National Grid plc (“National Grid” or the “Company”) (NYSE: NGG). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980. The investigation concerns whether National Grid and certain of its officers and/or directors have engaged in securities fraud or other unlawful business practices.  [Click here for information about joining the class action] On Jul ...