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

B2Gold Corp Common shares (Cana (symbol: BTG) was one of the worst losers
of the trading day today (2016-08-15), losing -4.05%. The number of shares
that changed hands was 6,356,174, or about 1 times the average daily volume
in the stock.
The closing price was $3.32, amounting to a market cap of $3,120,000,000,
about -9.04% off the highest price in the last 12 months. The stock has
been trading at a range between $0.6 and $3.65.
BTG is in the Precious Metals industry, part of the Basic Industries sector.