shares of ao smith corp aos advanced 151 to 7585 thursday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 054 to 432651 and dow jones industrial average djia falling 002 to 3416078 the stocks rise snapped a twoday losing streak ao smith corp closed 1089 short of its 52week high 8674 which the company achieved on december 30th the stock outperformed some of its competitors thursday as lennox international inc lii fell 097 to 27245 and bwx technologies inc bwxt fell 294 to 4423 trading volume 20 m eclipsed its 50day average volume of 957448 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