shares of xylem inc xyl inched 063 higher to 9716 thursday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 176 to 396028 and the dow jones industrial average djia rising 117 to 3224655 xylem inc closed 2142 below its 52week high 11858 which the company reached on january 13th the stock outperformed some of its competitors thursday as dover corp dov rose 031 to 14076 trading volume 17 m remained 2290 below its 50day average