shares of att inc t slipped 163 to 1813 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 214 to 413799 and dow jones industrial average djia falling 191 to 3306361 att inc closed 340 short of its 52week high 2153 which the company reached on may 26th the stock demonstrated a mixed performance when compared to some of its competitors monday as verizon communications inc vz fell 056 to 4417 walt disney co dis fell 350 to 11594 and comcast corp cl a cmcsa fell 274 to 3762 trading volume 319 m remained 70 million below its 50day average volume of 389 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use