shares of sp global inc spgi slipped 150 to 37550 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 281 to 417520 and dow jones industrial average djia falling 238 to 3324018 sp global inc closed 10871 short of its 52week high 48421 which the company achieved on december 16th despite its losses the stock outperformed some of its competitors tuesday as moodys corp mco fell 200 to 31900 msci inc msci fell 703 to 42981 and factset research systems inc fds fell 284 to 41687true trading volume 17 m remained 897537 below its 50day average volume of 26 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