shares of alaska air group inc alk slid 074 to 4973 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 031 to 3373396 and the sp 500 index spx falling 007 to 401695 the stocks fall snapped a threeday winning streak alaska air group inc closed 1182 below its 52week high 6155 which the company achieved on april 21st the stock underperformed when compared to some of its competitors tuesday as southwest airlines co luv fell 003 to 3668 delta air lines inc dal fell 072 to 3880 and united airlines holdings inc ual rose 004 to 4930 trading volume 12 m remained 128817 below its 50day average volume of 13 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