shares of paychex inc payx slipped 139 to 10633 monday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 005 to 413812 and the dow jones industrial average djia falling 017 to 3361869 paychex inc closed 3314 below its 52week high 13947 which the company achieved on august 18th