SPRX is trading at $50.43, up 8.29% from the regular-session close of $46.57, with no confirmed explanation for the after-hours jump.
- During the October 12 session, the information technology sector fell about 1%, with several photonics and optical stocks among its steepest decliners.
- Reports also described semiconductor weakness and investor concerns about AI spending. Those factors explain daytime pressure, not the sharp after-hours rebound.