shares of canadian national railway co cnr inched 047 higher to c16100 thursday in what proved to be an allaround favorable trading session for the canadian market with the sptsx composite index gsptse rising 000 to 2029709 canadian national railway co closed c1439 short of its 52week high c17539 which the company reached on december 13th trading volume of 860504 shares remained below its 50day average volume of 12 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use