shares of western digital corp wdc slumped 014 to 3521 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 016 to 397753 and the dow jones industrial average djia rising 060 to 3243208 this was the stocks second consecutive day of losses western digital corp closed 2805 short of its 52week high 6326 which the company achieved on may 4th the stock underperformed when compared to some of its competitors monday as seagate technology holdings plc stx rose 060 to 6201 and netapp inc ntap rose 098 to 6166 trading volume 40 m remained 390737 below its 50day average volume of 44 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