Robert Half is trading up 4.41% at $34.32; no clear company-specific catalyst for the October 20 move surfaced in the available news search.

  • The company is scheduled to report third-quarter results on October 22, a possible near-term investor focus, but this does not establish the reason for the gain.
  • Major U.S. indexes were higher, including the Dow, up 1.01%; broader positive sentiment may have contributed, though a direct link is unconfirmed.