$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 (2015-12-30), losing -8.17%. The number of shares
that changed hands was 41,619, or about 1 times the average daily volume in
the stock.
The closing price was $8.77, amounting to a market cap of $763,140,000,
about -63.82% off the highest price in the last 12 months. The stock has
been trading at a range between $5.39 and $24.24.
VNRCP is in the Oil & Gas Production industry, part of the Energy sector.