shares of kla corp klac shed 247 to 37834 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 200 to 399734 and dow jones industrial average djia falling 206 to 3312959 this was the stocks third consecutive day of losses kla corp closed 5112 below its 52week high 42946 which the company achieved on january 26th trading volume 12 m remained 120121 below its 50day average volume of 13 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