shares of under armour inc cl a uaa shed 213 to 918 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 089 to 395725 and dow jones industrial average djia falling 063 to 3353670 the stocks fall snapped a twoday winning streak under armour inc cl a closed 1810 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 160 to 10439 columbia sportswear co colm fell 135 to 8051 and skechers usa inc cl a skx fell 099 to 3918 trading volume 112 m eclipsed its 50day average volume of 88 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