shares of ao smith corp aos sank 071 to 6334 monday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 002 to 439169 and dow jones industrial average djia falling 011 to 3441169 this was the stocks second consecutive day of losses ao smith corp closed 2340 short of its 52week high 8674 which the company reached on december 30th the stock demonstrated a mixed performance when compared to some of its competitors monday as lennox international inc lii fell 089 to 23782 and bwx technologies inc bwxt rose 020 to 5594 trading volume 553037 remained 522685 below its 50day average volume of 11 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