$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 (2016-09-21), losing -5.69%. The number of shares
that changed hands was 45,885, or about 1 times the average daily volume in
the stock.
The closing price was $4.06, amounting to a market cap of $533,730,000,
about -81.2% off the highest price in the last 12 months. The stock has
been trading at a range between $2.42 and $21.6.
VNRAP is in the Oil & Gas Production industry, part of the Energy sector.