FormFactor is trading at $111.57, up 4.42%, in pre-market, with the move appearing aligned with semiconductor-sector strength.

  • The Philadelphia Semiconductor Index gained 3.6% during the prior U.S. session; overnight AI optimism and SK hynix’s strong results also supported chip sentiment.
  • FormFactor is scheduled to report third-quarter 2026 results after the close on October 28, at 4:25 p.m. EDT; no company-specific announcement explaining the pre-market gain was found.