shares of alaska air group inc alk slumped 081 to 4405 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 009 to 413704 and the dow jones industrial average djia rising 020 to 3387540 alaska air group inc closed 1275 short of its 52week high 5680 which the company reached on april 25th