shares of blackrock inc blk slipped 139 to 74548 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 101 to 430476 and dow jones industrial average djia falling 142 to 3359661 this was the stocks third consecutive day of losses blackrock inc closed 22768 short of its 52week high 97316 which the company achieved on november 12th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as bank of america corp bac fell 087 to 4556 invesco ltd ivz fell 312 to 2177 and affiliated managers group inc amg fell 276 to 13764 trading volume 680089 remained 42755 below its 50day average volume of 722844 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