shares of united airlines holdings inc ual advanced 120 to 4878 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 016 to 399105 and dow jones industrial average djia falling 026 to 3304509 united airlines holdings inc closed 448 short of its 52week high 5326 which the company reached on january 18th the stock outperformed some of its competitors wednesday as southwest airlines co luv fell 047 to 3360 delta air lines inc dal fell 024 to 3701 and american airlines group inc aal fell 083 to 1556 trading volume 46 m remained 43 million below its 50day average volume of 89 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