shares of packaging corp of america pkg shed 195 to 13003 wednesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 020 to 444682 and dow jones industrial average djia falling 038 to 3428864 packaging corp of america closed 1624 below its 52week high 14627 which the company reached on august 16th despite its losses the stock outperformed some of its competitors wednesday as international paper co ip fell 219 to 3133 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