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

Seabridge Gold, Inc. Ordinary S (symbol: SA) was one of the worst losers of
the trading day today (2016-07-20), losing -9.75%. The number of shares
that changed hands was 1,703,518, or about 2 times the average daily volume
in the stock.
The closing price was $12.04, amounting to a market cap of $633,770,000,
about -24.18% off the highest price in the last 12 months. The stock has
been trading at a range between $3.31 and $15.88.
SA is in the Precious Metals industry, part of the Basic Industries sector.