shares of packaging corp of america pkg slid 055 to 15305 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 090 to 451844 and the dow jones industrial average djia rising 116 to 3547313 this was the stocks second consecutive day of losses packaging corp of america closed 561 short of its 52week high 15866 which the company reached on august 3rd the stock underperformed when compared to some of its competitors monday as international paper co ip fell 033 to 3614 trading volume 667326 remained 44621 below its 50day average volume of 711947 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