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

Vanguard Natural Resources LLC (symbol: VNRAP) was one of the worst losers
of the trading day today (2015-12-30), losing -8.1634%. The number of
shares that changed hands was 31,693, or about 1 times the average daily
volume in the stock.
The closing price was $10.0101, amounting to a market cap of $871,050,000,
about -60.3246% off the highest price in the last 12 months. The stock has
been trading at a range between $5.91 and $25.23.
VNRAP is in the Oil & Gas Production industry, part of the Energy sector.