shares of under armour inc cl a uaa sank 055 to 721 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 079 to 441159 and dow jones industrial average djia falling 107 to 3392226 this was the stocks second consecutive day of losses under armour inc cl a closed 584 short of its 52week high 1305 which the company reached on february 2nd despite its losses the stock outperformed some of its competitors thursday as nike inc cl b nke fell 187 to 10510 trading volume 65 m remained 792868 below its 50day average volume of 73 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