shares of nov inc nov rose 230 to 1337 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 075 to 463409 and dow jones industrial average djia falling 030 to 3554418 nov inc closed 465 short of its 52week high 1802 which the company reached on may 18th the stock outperformed some of its competitors tuesday as schlumberger ltd slb fell 054 to 2967 trading volume 62 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