shares of canadian national railway co cnr dropped 095 to c16063 monday in what proved to be an allaround poor trading session for the canadian market with the sptsx composite index gsptse falling 032 to 2051480 canadian national railway co closed c1476 short of its 52week high c17539 which the company achieved on december 13th trading volume of 15 m shares eclipsed its 50day average volume of 11 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