Perdoceo Education is trading at $35.72, up 8.94%, versus the October 21 close of $32.79; no clearly reported October 22 company-specific catalyst was found to explain the pre-market jump.

  • The South University acquisition was announced September 14 and is prior context, not a newly reported event.
  • The broader market is sharply lower and does not explain the stock’s move; no verified trading-volume information was found.