shares of nov inc nov inched 028 higher to 1808 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 067 to 409119 and dow jones industrial average djia falling 123 to 3239617 nov inc closed 598 below its 52week high 2406 which the company reached on march 8th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as schlumberger ltd slb rose 080 to 3669 baker hughes co bkr rose 308 to 2542 and drilquip inc drq fell 187 to 2359 trading volume 51 m eclipsed its 50day average volume of 41 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