Shares of Wheaton Precious Metals Corp. WPM, -0.46% slid 0.46% to C$58.95 Monday, in what proved to be an all-around poor trading session for the Canadian market, with the S&P/TSX Composite Index GSPTSE, -0.21% falling 0.21% to 19,934.21. Wheaton Precious Metals Corp. closed C$12.44 below its 52-week high (C$71.39), which the company reached on May 4th. Trading volume of 79,596 shares remained below its 50-day average volume of 806,281.