AT&T fell by 5.15% to trade at $29.10 by 10:23 (15:23 GMT) on Wednesday on the NYSE exchange.
The volume of AT&T shares traded since the start of the session was 30.86M. AT&T has traded in a range of $29.01 to $30.31 on the day.
The stock has traded at $31.0400 at its highest and $29.0000 at its lowest during the past seven days.
