shares of under armour inc cl a uaa slid 937 to 1383 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 295 to 420109 and dow jones industrial average djia falling 237 to 3281738 this was the stocks third consecutive day of losses under armour inc cl a closed 1345 short of its 52week high 2728 which the company achieved on november 19th the stock underperformed when compared to some of its competitors monday as nike inc cl b nke fell 514 to 12444 columbia sportswear co colm fell 756 to 8372 and skechers usa inc cl a skx fell 849 to 3426 trading volume 146 m eclipsed its 50day average volume of 70 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