shares of schlumberger ltd slb shed 252 to 5219 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 185 to 391832 and dow jones industrial average djia falling 166 to 3225486 this was the stocks fourth consecutive day of losses schlumberger ltd closed 726 below its 52week high 5945 which the company achieved on january 18th despite its losses the stock outperformed some of its competitors thursday as baker hughes co bkr fell 436 to 3006 halliburton co hal fell 428 to 3557 and nov inc nov fell 669 to 2106true trading volume 88 m eclipsed its 50day average volume of 87 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