shares of activision blizzard inc atvi slumped 011 to 9158 friday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 053 to 447803 and dow jones industrial average djia falling 043 to 3506562 activision blizzard inc closed 209 below its 52week high 9367 which the company achieved on july 17th despite its losses the stock outperformed some of its competitors friday as unity software inc u fell 231 to 4017 trading volume 59 m remained 61 million below its 50day average volume of 120 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