Shares of Canadian National Railway Co. CNR,
slipped 0.81% to C $ 159.71 Wednesday, in what proved to be an all-around down trading session for the Canadian market, with the S & P / TSX Composite Index GSPTSE,
falling 0.65% to 21,788.60. This was the stock’s second consecutive day of losses. Canadian National Railway Co. closed C $ 11.77 below its 52-week high (C $ 171.48), which the company reached on March 29th. Trading volume of 792,584 shares remained below its 50-day average volume of 1.3 M.