shares of dupont de nemours inc dd slipped 122 to 5486 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 045 to 380178 and dow jones industrial average djia falling 067 to 3077279 dupont de nemours inc closed 3030 short of its 52week high 8516 which the company achieved on january 14th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as linde plc lin rose 044 to 27473 air products