shares of canadian national railway co cnr inched 030 higher to c16417 monday in what proved to be an otherwise allaround down trading session for the canadian market with the sptsx composite index gsptse falling 062 to 2142077 this was the stocks third consecutive day of gains canadian national railway co closed c449 below its 52week high c16866 which the company achieved on october 25th trading volume of 11 m shares remained below its 50day average volume of 13 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