shares of blackrock inc blk slipped 176 to 75716 friday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 104 to 413648 and dow jones industrial average djia falling 038 to 3392601 the stocks fall snapped a threeday winning streak blackrock inc closed 6771 below its 52week high 82487 which the company reached on february 9th the stock underperformed when compared to some of its competitors friday as jpmorgan chase  co jpm rose 155 to 14109 wells fargo  co wfc rose 074 to 4758 and morgan stanley ms rose 022 to 9943 trading volume 12 m eclipsed its 50day average volume of 758934 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