shares of united airlines holdings inc ual advanced 220 to 5486 tuesday on what proved to be an allaround grim 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 this was the stocks third consecutive day of gains united airlines holdings inc closed 337 short of its 52week high 5823 which the company reached on july 21st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as southwest airlines co luv rose 234 to 3374 delta air lines inc dal rose 122 to 4579 and american airlines group inc aal rose 119 to 1618 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