shares of united airlines holdings inc ual slumped 075 to 5265 friday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 077 to 434833 and dow jones industrial average djia falling 065 to 3372743 united airlines holdings inc closed 239 short of its 52week high 5504 which the company reached on march 7th the stock demonstrated a mixed performance when compared to some of its competitors friday as southwest airlines co luv fell 102 to 3393 delta air lines inc dal fell 019 to 4286 and american airlines group inc aal fell 061 to 1626 trading volume 41 m remained 29 million below its 50day average volume of 70 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