Investing.com - AT&T rose by 3.73% to trade at $27.80 by 09:31 (13:31 GMT) on Tuesday on the NYSE exchange.
The volume of AT&T shares traded since the start of the session was $2.21M. AT&T has traded in a range of $27.78 to $28.21 on the day.
The stock has traded at $34.0600 at its highest and $26.1000 at its lowest during the past seven days.