shares of packaging corp of america pkg rose 145 to 13870 wednesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 002 to 3266184 and the sp 500 index spx falling 047 to 395139 the stocks rise snapped a twoday losing streak packaging corp of america closed 2980 below its 52week high 16850 which the company achieved on april 21st the stock outperformed some of its competitors wednesday as international paper co