shares of blackrock inc blk advanced 261 to 75087 friday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 224 to 438465 and the dow jones industrial average djia rising 251 to 3405875 the stocks rise snapped a fiveday losing streak blackrock inc closed 22229 short of its 52week high 97316 which the company reached on november 12th the stock underperformed when compared to some of its competitors friday as bank of america corp bac rose 326 to 4502 invesco ltd ivz rose 366 to 2179 and affiliated managers group inc amg rose 362 to 14176 trading volume 665679 remained 84864 below its 50day average volume of 750543 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