shares of cgi inc cl a giba advanced 106 to c14060 wednesday in what proved to be an otherwise allaround down trading session for the canadian market with the sptsx composite index gsptse falling 085 to 1957224 cgi inc cl a closed c171 below its 52week high c14231 which the company achieved on may 30th trading volume of 16 m shares eclipsed its 50day average volume of 325892