From Yahoo Finance
Silver Wheaton Corp., a mining company, engages in the silver production. It purchases silver from Luismin mines in Mexico and the Zinkgruvan mine in Sweden, as well as purchases silver from the Yauliyacu Mine in Peru. The company was incorporated in 1994. It was formerly known as Chap Mercantile, Inc. and changed its name to Silver Wheaton Corp. in 2004. Silver Wheaton is headquartered in Vancouver, Canada.
This is the reason I bought it now
http://biz.yahoo.com/iw/080403/0383544.html