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

Vanguard Natural Resources LLC (symbol: VNRCP) was one of the worst losers
of the trading day today (2015-12-07), losing -44.36%. The number of shares
that changed hands was 214,002, or about 4 times the average daily volume
in the stock.
The closing price was $6.76, amounting to a market cap of $588,230,000,
about -72.12% off the highest price in the last 12 months. The stock has
been trading at a range between $6.55 and $24.24.
VNRCP is in the Oil & Gas Production industry, part of the Energy sector.