Filtronic is trading at $3.74, up 9.36%; no new announcement explaining its October 16 rise surfaced in the search.

  • The widely reported $68.1 million SpaceX follow-on order was announced October 1, so it is not a new catalyst today.
  • Semiconductor shares faced broader pressure tied to inflation, interest-rate concerns and AI spending, but that weakness does not explain Filtronic’s gain.