shares of western digital corp wdc slipped 149 to 3780 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 112 to 414558 and dow jones industrial average djia falling 069 to 3305551 western digital corp closed 2520 short of its 52week high 6300 which the company achieved on june 8th the stock underperformed when compared to some of its competitors tuesday as seagate technology holdings plc stx fell 092 to 6237 and netapp inc ntap fell 100 to 6646 trading volume 25 m remained 16 million below its 50day average volume of 41 m 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