shares of american airlines group inc aal shed 227 to 1332 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 060 to 412979 and dow jones industrial average djia falling 033 to 3378662 american airlines group inc closed 810 below its 52week high 2142 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors thursday as southwest airlines co luv fell 074 to 3221 delta air lines inc dal fell 359 to 3464 and united airlines holdings inc ual fell 298 to 4489 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