shares of canadian pacific railway ltd cp dropped 015 to c10335 tuesday in what proved to be an otherwise allaround positive trading session for the canadian market with the sptsx composite index gsptse rising 017 to 1965753 canadian pacific railway ltd closed c808 short of its 52week high c11143 which the company achieved on december 1st trading volume of 14 m shares remained below its 50day average volume of 15 m