$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 (2016-10-04), losing -13.05%. The number of shares
that changed hands was 26,122,335, or about 2 times the average daily
volume in the stock.
The closing price was $3.73, amounting to a market cap of $3,530,000,000,
about -37.73% off the highest price in the last 12 months. The stock has
been trading at a range between $1.38 and $5.99.
AUY is in the Precious Metals industry, part of the Basic Industries sector.