shares of thomson reuters corp tri dropped 197 to c15586 thursday in what proved to be an allaround down trading session for the canadian market with the sptsx composite index gsptse falling 042 to 1950684 thomson reuters corp closed c414 below its 52week high c16000 which the company reached on january 4th trading volume of 458517 shares eclipsed its 50day average volume of 426354 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