shares of canadian national railway co cnr inched 054 higher to c15730 thursday in what proved to be an allaround positive trading session for the canadian market with the sptsx composite index gsptse rising 052 to 1994099 canadian national railway co closed c1809 below its 52week high c17539 which the company achieved on december 13th trading volume of 10 m shares remained below its 50day average volume of 14 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