ADTRAN Preliminary Q2 Revenue Miss and Softened Q3 Outlook Lead to Premarket Decline
ADTRAN Holdings (ADTN) reported preliminary unaudited results for the second quarter of 2026, showing a revenue miss below guidance. The company also issued softer-than-expected outlooks for its operating margin and third-quarter performance, leading to significant premarket losses as shares fell over 12%.

Tickers: $ADTN