shares of united airlines holdings inc ual shed 254 to 4920 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 039 to 470090 and the dow jones industrial average djia rising 015 to 3614222 united airlines holdings inc closed 1450 short of its 52week high 6370 which the company achieved on march 18th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as southwest airlines co luv fell 311 to 4760 delta air lines inc dal fell 316 to 4104 and american airlines group inc aal fell 236 to 1984 trading volume 92 m remained 18 million below its 50day average volume of 111 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