shares of canadian natural resources ltd cnq advanced 206 to c8256 friday in what proved to be an allaround favorable trading session for the canadian market with the sptsx composite index gsptse rising 055 to 2063654 canadian natural resources ltd closed c536 below its 52week high c8792 which the company reached on may 31st trading volume of 33 m shares remained below its 50day average volume of 72 m