shares of delta air lines inc dal slumped 042 to 3817 monday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 008 to 3222342 and the sp 500 index spx falling 039 to 400801 delta air lines inc closed 1037 short of its 52week high 4854 which the company reached on june 1st the stock underperformed when compared to some of its competitors monday as southwest airlines co luv rose 044 to 4318 china eastern airlines corp ltd adr cea rose 048 to 1666 and united airlines holdings inc ual rose 062 to 4354 trading volume 110 m remained 56 million below its 50day average volume of 166 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