shares of cme group inc cl a cme inched 037 higher to 18531 wednesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 045 to 413764 and the dow jones industrial average djia falling 009 to 3353133 cme group inc cl a closed 2678 below its 52week high 21209 which the company reached on june 28th