shares of nov inc nov shed 091 to 2284 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 138 to 409041 and dow jones industrial average djia falling 126 to 3369685 this was the stocks fourth consecutive day of losses nov inc closed 199 short of its 52week high 2483 which the company reached on january 27th the stock underperformed when compared to some of its competitors thursday as schlumberger ltd slb fell 038 to 5578 baker hughes co bkr rose 034 to 3226 and halliburton co hal rose 166 to 3858 trading volume 28 m remained 381914 below its 50day average volume of 32 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