shares of blackrock inc blk slid 039 to 93588 thursday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 058 to 447000 and dow jones industrial average djia falling 054 to 3521312 the stocks fall snapped a fiveday winning streak blackrock inc closed 998 below its 52week high 94586 which the company reached on august 25th the stock demonstrated a mixed performance when compared to some of its competitors thursday as bank of america corp bac fell 026 to 4204 invesco ltd ivz fell 150 to 2496 and affiliated managers group inc amg fell 085 to 16839 trading volume 270353 remained 247678 below its 50day average volume of 518031 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