shares of parker hannifin corp ph slid 118 to 26044 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 013 to 393008 and dow jones industrial average djia falling 033 to 3173030 this was the stocks sixth consecutive day of losses parker hannifin corp closed 7956 short of its 52week high 34000 which the company reached on february 3rd the stock underperformed when compared to some of its competitors thursday as danaher corp dhr rose 103 to 23955 rockwell automation inc rok rose 243 to 20383 and dover corp dov rose 098 to 13135 trading volume 11 m eclipsed its 50day average volume of 762488 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