shares of united rentals inc uri slumped 073 to 37334 thursday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 133 to 414622 and the dow jones industrial average djia rising 114 to 3402969 the stocks fall snapped a fourday winning streak united rentals inc closed 10865 short of its 52week high 48199 which the company achieved on march 6th the stock underperformed when compared to some of its competitors thursday as herc holdings