AT&T is trading 4.95% up at $19.76 in pre-market, with no verified company-specific announcement on October 1 explaining the move.

  • That compares with the September 30 close of $18.83.
  • AT&T’s multi-year fiber supply agreement with Corning, valued at more than $3 billion, was reported September 29 and is not a new pre-market announcement.
  • Technology-sector strength offers limited context but no direct cause; no clear catalyst or confirmed trading volume or activity levels were identified.