Penguin Solutions is trading at $55.33, up 4.02% in pre-market after SK hynix disclosed a 9.1% beneficial ownership stake.

  • The disclosure appeared in a November 3 Schedule 13D filing naming SK hynix as the reporting party and Penguin Solutions as the subject company.
  • The move follows Tuesday’s 11.98% regular-session gain; supplied price context shows pre-market trading extending that momentum.
  • The ownership announcement is the clearest company-specific catalyst identified.