shares of canadian national railway co cnr shed 130 to c14989 friday in what proved to be an allaround down trading session for the canadian market with the sptsx composite index gsptse falling 030 to 2063328 this was the stocks second consecutive day of losses canadian national railway co closed c2159 below its 52week high c17148 which the company achieved on march 29th trading volume of 23 m shares eclipsed 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