shares of davita inc dva shed 381 to 8865 friday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 337 to 405766 and dow jones industrial average djia falling 303 to 3228340 davita inc closed 4523 below its 52week high 13388 which the company reached on september 3rd the stock demonstrated a mixed performance when compared to some of its competitors friday as fresenius medical care ag  co kgaa adr fms fell 379 to 1700 laboratory corp of america holdings lh fell 333 to 22916 and universal health services inc cl b uhs fell 408 to 10147 trading volume 573419 remained 438598 below its 50day average volume of 10 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