shares of blackrock inc blk shed 272 to 59860 monday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 008 to 3222342 and the sp 500 index spx falling 039 to 400801 the stocks fall snapped a twoday winning streak blackrock inc closed 37456 short of its 52week high 97316 which the company reached on november 12th the stock underperformed when compared to some of its competitors monday as bank of america corp bac fell 102 to 3481 invesco ltd ivz fell 084 to 1769 and affiliated managers group inc amg fell 124 to 12330 trading volume 23 m eclipsed its 50day average volume of 925211 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