shares of jb hunt transport services inc jbht slumped 098 to 20510 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 042 to 449938 and dow jones industrial average djia falling 045 to 3531449 jb hunt transport services inc closed 411 short of its 52week high 20921 which the company reached on august 4th the stock underperformed when compared to some of its competitors tuesday as old dominion freight line inc odfl fell 006 to 40910 trading volume 733718 remained 33255 below its 50day average volume of 766973 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