shares of packaging corp of america pkg dropped 080 to 15172 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 015 to 3192862 and the sp 500 index spx falling 081 to 394148 packaging corp of america closed 1678 short of its 52week high 16850 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as international paper co ip fell 197 to 4719 westrock co wrk fell 092 to 4524 and graphic packaging holding co gpk fell 034 to 2049 trading volume 554504 remained 75783 below its 50day average volume of 630287 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