shares of cgi inc cl a giba inched 042 higher to c13757 thursday in what proved to be an allaround favorable trading session for the canadian market with the sptsx composite index gsptse rising 048 to 1991317 cgi inc cl a closed c474 below its 52week high c14231 which the company reached on may 30th trading volume of 159333 shares remained below its 50day average volume of 346209