shares of activision blizzard inc atvi were unchanged thursday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 099 to 422102 and the dow jones industrial average djia rising 047 to 3306157 activision blizzard inc closed 681 short of its 52week high 8701 which the company achieved on april 25th the stock underperformed when compared to some of its competitors thursday as unity software inc u rose 135 to 3012 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