shares of alaska air group inc alk were unchanged tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 048 to 417548 and the dow jones industrial average djia rising 020 to 3312879 alaska air group inc closed 1986 below its 52week high 7292 which the company reached on may 18th the stock underperformed when compared to some of its competitors tuesday as southwest airlines co luv rose 155 to 4725 delta air lines inc dal rose 159 to 4335 and united airlines holdings inc ual rose 237 to 5138 trading volume 18 m remained 540110 below its 50day average volume of 23 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