shares of western digital corp wdc slid 170 to 3461 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 016 to 397127 and dow jones industrial average djia falling 012 to 3239425 this was the stocks third consecutive day of losses western digital corp closed 2865 short of its 52week high 6326 which the company achieved on may 4th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as seagate