nLIGHT is trading 10.11% down at $32.82 on November 4, 2026, with the decline appearing aligned with weakness in semiconductor stocks as investors assess election-related uncertainty about data-center construction and AI infrastructure demand. - Reuters reported chip stocks fell sharply and the Philadelphia Semiconductor Index dropped 3.6%. - nLIGHT’s third-quarter results are scheduled for November 5 after the close; an earnings preview highlighted slowing revenue growth.