shares of western digital corp wdc slipped 131 to 3914 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 039 to 452279 and the dow jones industrial average djia rising 022 to 3458535 western digital corp closed 1181 short of its 52week high 5095 which the company achieved on august 12th the stock underperformed when compared to some of its competitors monday as seagate technology holdings plc stx fell 101 to 6095 and netapp inc ntap rose 019 to 7802 trading volume 31 m remained 688264 below its 50day average volume of 38 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