shares of diamondback energy inc fang shed 374 to 14373 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 154 to 396394 and dow jones industrial average djia falling 145 to 3384946 this was the stocks third consecutive day of losses diamondback energy inc closed 2522 short of its 52week high 16895 which the company achieved on november 15th the stock demonstrated a mixed performance when compared to some of its competitors monday as eog resources inc eog fell 420 to 13665 pioneer natural resources co pxd fell 351 to 24521 and devon energy corp dvn fell 266 to 6653 trading volume 33 m eclipsed its 50day average volume of 25 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