ADTN SHAREHOLDER INVESTIGATION: SueWallSt Notifies Investors of Potential Securities Claims Involving ADTRAN Holdings

ADTRAN investors saw shares fall after preliminary Q2 2026 results missed guidance and the Company pointed to a delayed single-customer project. The investigation focuses on whether ADTRAN adequately disclosed risks relating to customer project timing. NEW YORK, July 27, 2026 /PRNewswire/...