shares of canadian national railway co cnr inched 007 higher to c16081 wednesday in what proved to be an otherwise allaround poor trading session for the canadian market with the sptsx composite index gsptse falling 009 to 2199838 this was the stocks second consecutive day of gains canadian national railway co closed c1067 short of its 52week high c17148 which the company achieved on march 29th trading volume of 824676 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