Viavi Solutions is trading 18.35% up at $41.85 after-hours on September 18, 2026, following a regular-session close of $35.36, amid stronger technology sentiment.
- No company-specific announcement was identified as driving the move.
- The latest company release was its September 9 ECOC 2026 data-center testing announcement.
- Technology sentiment strengthened alongside a 1.09% Nasdaq gain; the surge appears primarily global or sector-driven, warranting monitoring for delayed news.