shares of fleetcor technologies inc flt shed 436 to 18257 thursday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 249 to 389575 and dow jones industrial average djia falling 225 to 3320222 this was the stocks second consecutive day of losses fleetcor technologies inc closed 8273 short of its 52week high 26530 which the company reached on april 21st the stock underperformed when compared to some of its competitors thursday as paypal