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

Buenaventura Mining Company Inc (symbol: BVN) was one of the worst losers
of the trading day today (2016-08-23), losing -5.15%. The number of shares
that changed hands was 2,008,579, or about 1 times the average daily volume
in the stock.
The closing price was $14.38, amounting to a market cap of $3,630,000,000,
about -12.58% off the highest price in the last 12 months. The stock has
been trading at a range between $3.3 and $16.45.
BVN is in the Precious Metals industry, part of the Basic Industries
sector. It first went public in 1996.