shares of under armour inc cl a uaa slid 514 to 1033 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 320 to 399124 and dow jones industrial average djia falling 199 to 3224570 this was the stocks third consecutive day of losses under armour inc cl a closed 1695 below its 52week high 2728 which the company reached on november 19th the stock underperformed when compared to some of its competitors monday as nike inc cl b nke fell 286 to 11121 columbia sportswear co colm fell 062 to 7584 and skechers usa inc cl a skx fell 387 to 3579 trading volume 119 m eclipsed its 50day average volume of 67 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