shares of united airlines holdings inc ual slipped 193 to 5326 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 020 to 3563068 and the sp 500 index spx falling 027 to 457673 united airlines holdings inc closed 497 short of its 52week high 5823 which the company achieved on july 21st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as southwest airlines co luv fell 214 to 3343 delta air lines inc dal fell 186 to 4540 and american airlines group inc aal fell 310 to 1623 trading volume 61 m remained 534536 below its 50day average volume of 67 m 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