shares of southwest airlines co luv slid 168 to 3799 wednesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 083 to 395879 and dow jones industrial average djia falling 012 to 3355383 southwest airlines co closed 1211 below its 52week high 5010 which the company reached on april 21st despite its losses the stock outperformed some of its competitors wednesday as delta air lines inc dal fell 223 to 3412 united airlines holdings inc ual fell 170 to 4329 and american airlines group inc aal fell 356 to 1409true trading volume 46 m remained 16 million below its 50day average volume of 63 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