shares of micron technology inc mu slipped 218 to 8021 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 009 to 443235 and dow jones industrial average djia falling 030 to 3510185 micron technology inc closed 1675 below its 52week high 9696 which the company reached on april 12th the stock underperformed when compared to some of its competitors monday as intel corp intc rose 024 to 5405 stmicroelectronics nv stm rose 140 to 4269 and western digital corp wdc fell 167 to 6761 trading volume 133 m remained 53 million below its 50day average volume of 186 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