shares of united airlines holdings inc ual slipped 316 to 4440 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 024 to 437394 and dow jones industrial average djia falling 049 to 3389260 the stocks fall snapped a twoday winning streak united airlines holdings inc closed 1930 below its 52week high 6370 which the company achieved on march 18th the stock demonstrated a mixed performance when compared to some of its competitors monday as southwest airlines co luv fell 297 to 4380 delta air lines inc dal fell 390 to 3992 and american airlines group inc aal fell 120 to 1725 trading volume 148 m eclipsed its 50day average volume of 124 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