shares of pioneer natural resources co pxd slipped 296 to 22405 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 038 to 440167 and dow jones industrial average djia falling 049 to 3456617 the stocks fall snapped a threeday winning streak pioneer natural resources co closed 879 short of its 52week high 23284 which the company reached on february 4th the stock demonstrated a mixed performance when compared to some of its competitors monday as eog resources inc eog fell 286 to 11341 concho resources inc cxo fell 602 to 6560 and apa corp apa fell 586 to 3214 trading volume 27 m eclipsed its 50day average volume of 21 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