shares of constellation software inc csu rallied 158 to c215130 tuesday in what proved to be an allaround favorable trading session for the canadian market with the sptsx composite index gsptse rising 050 to 2208722 this was the stocks second consecutive day of gains constellation software inc closed c23450 below its 52week high c238580 which the company reached on december 31st trading volume of 27780 shares remained below its 50day average volume of 40998 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