shares of blackrock inc blk rallied 435 to 59726 friday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 237 to 375275 and the dow jones industrial average djia rising 247 to 3108256 the stocks rise snapped a twoday losing streak blackrock inc closed 37590 below its 52week high 97316 which the company reached on november 12th the stock outperformed some of its competitors friday as bank of america corp bac rose 371 to 3495 invesco ltd ivz rose 333 to 1489 and affiliated managers group inc amg rose 314 to 11913 trading volume 830530 eclipsed its 50day average volume of 786489 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