$AUY is one of biggest losers #stocks today. read more:

Yamana Gold Inc. Ordinary Share (symbol: AUY) was one of the worst losers
of the trading day today (2015-08-25), losing -8.29%. The number of shares
that changed hands was 14,746,675, or about 1 times the average daily
volume in the stock.
The closing price was $1.88, amounting to a market cap of $1,770,000,000,
about -78.04% off the highest price in the last 12 months. The stock has
been trading at a range between $1.72 and $8.56.
AUY is in the Precious Metals industry, part of the Basic Industries sector.