shares of alimentation couche tard inc atd inched 050 higher to c6573 wednesday in what proved to be an otherwise allaround poor trading session for the canadian market with the sptsx composite index gsptse falling 085 to 1957224 alimentation couche tard inc closed c267 below its 52week high c6840 which the company achieved on april 3rd trading volume of 30 m shares eclipsed its 50day average volume of 996397