Lumentum is trading 9.15% lower at $841.44 after a broad semiconductor selloff on October 30, 2026, as Intel’s weak fourth-quarter outlook and warnings about PC demand weighed on the sector.
- Reuters reported a widespread decline among semiconductor companies; concerns about the cost and returns of AI infrastructure spending added pressure.
- No new Lumentum-specific explanation surfaced. Reported Marvell acquisition talks were already known and do not clearly explain the decline.
- Lumentum closed at $919.53 on October 29.