shares of cameco corp cco shed 518 to c3677 tuesday in what proved to be an allaround rough trading session for the canadian market with the sptsx composite index gsptse falling 128 to 2025264 cameco corp closed c428 short of its 52week high c4105 which the company reached on april 13th trading volume of 14 m shares eclipsed its 50day average volume of 13 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