shares of schlumberger ltd slb slipped 239 to 3758 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 171 to 378993 and dow jones industrial average djia falling 170 to 3018378 this was the stocks second consecutive day of losses schlumberger ltd closed 1225 below its 52week high 4983 which the company reached on june 8th the stock underperformed when compared to some of its competitors wednesday as baker hughes co bkr rose 009 to 2302 halliburton co hal fell 196 to 2708 and nov inc nov fell 126 to 1644 trading volume 91 m remained 20 million below its 50day average volume of 112 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