AT&T is trading at $20.01, up 4.15%, with no clear company-specific announcement identified to explain the September 25 after-hours move.

  • The broader market advanced that day: the Dow rose 0.93%, the S&P 500 gained 0.52%, and the Nasdaq Composite rose 0.50%. This backdrop may have supported the move but does not establish its cause.
  • AT&T declared its quarterly common-share dividend on September 24; available reporting does not connect it to this after-hours price change.