Shares of Cameco Corp. CCO, 0.78% shed 0.87% to C$31.98 Wednesday, in what proved to be an otherwise all-around favorable trading session for the Canadian market, with the S&P/TSX Composite Index GSPTSE, 0.36% rising 0.44% to 21,548.43. Cameco Corp. closed C$3.49 below its 52-week high (C$35.47), which the company achieved on November 8th. Trading volume of 1.0 M shares remained below its 50-day average volume of 1.7 M.