shares of ao smith corp aos inched 006 higher to 7064 friday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 029 to 439895 and dow jones industrial average djia falling 055 to 3373488 ao smith corp closed 258 short of its 52week high 7322 which the company reached on june 30th 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