shares of southwest airlines co luv shed 035 to 3435 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 052 to 436569 and dow jones industrial average djia falling 030 to 3395152 southwest airlines co closed 741 short of its 52week high 4176 which the company reached on july 20th the stock underperformed when compared to some of its competitors wednesday as delta air lines inc dal rose 073 to 4279 united airlines holdings inc ual rose 028 to 5285 and american airlines group inc aal fell 012 to 1630 trading volume 72 m remained 210517 below its 50day average volume of 74 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