nLIGHT is trading 4.1% down at $63.00 in pre-market as traders extend profit-taking following a sharp rally driven by a $627 million U.S. defense laser weapon system contract.

  • The stock is being weighed down by a broad semiconductor sell-off, with chip indices under pressure due to concerns over elevated capex and stretched AI valuations.
  • Tech futures are also facing headwinds as risk-off sentiment impacts the broader technology sector.