shares of southwest airlines co luv slipped 161 to 3855 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 074 to 447216 and the dow jones industrial average djia rising 025 to 3434743 southwest airlines co closed 321 below its 52week high 4176 which the company achieved on july 20th the stock underperformed when compared to some of its competitors wednesday as delta air lines inc dal fell 146 to 4795 united airlines holdings inc ual fell 139 to 5540 and american airlines group inc aal fell 122 to 1857 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