shares of williams cos wmb shed 158 to 2989 thursday on what proved to be an allaround grim 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 williams cos closed 808 short of its 52week high 3797 which the company reached on june 3rd 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