shares of american water works co awk inched 028 higher to 14788 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 046 to 411917 and dow jones industrial average djia falling 017 to 3356181 american water works co closed 1471 short of its 52week high 16259 which the company achieved on february 2nd