shares of united airlines holdings inc ual shed 187 to 4254 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 058 to 410060 and dow jones industrial average djia falling 059 to 3340238 this was the stocks second consecutive day of losses united airlines holdings inc closed 1250 short of its 52week high 5504 which the company achieved on march 7th the stock underperformed when compared to some of its competitors tuesday as southwest airlines co luv rose 009 to 3172 delta air lines inc dal fell 137 to 3392 and american airlines group inc aal fell 180 to 1416 trading volume 58 m remained 13 million below its 50day average volume of 72 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