shares of wheaton precious metals corp wpm slid 463 to c4287 wednesday in what proved to be an allaround negative trading session for the canadian market with the sptsx composite index gsptse falling 123 to 1927701 wheaton precious metals corp closed c2258 short of its 52week high c6545 which the company achieved on april 18th trading volume of 21 m shares eclipsed its 50day average volume of 957043 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