shares of canadian imperial bank of commerce cm inched 086 higher to c5599 wednesday in what proved to be an otherwise allaround poor trading session for the canadian market with the sptsx composite index gsptse falling 036 to 2036672 canadian imperial bank of commerce closed c1612 short of its 52week high c7211 which the company reached on april 29th trading volume of 34 m shares remained below its 50day average volume of 42 m