$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 (2016-08-30), losing -7.67%. The number of shares
that changed hands was 6,833,627, or about 1 times the average daily volume
in the stock.
The closing price was $2.65, amounting to a market cap of $2,490,000,000,
about -27.4% 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.