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

Denbury Resources Inc. Common S (symbol: DNR) was one of the worst losers
of the trading day today (2016-09-23), losing -6.1%. The number of shares
that changed hands was 10,658,190, or about 1 times the average daily
volume in the stock.
The closing price was $2.77, amounting to a market cap of $1,030,000,000,
about -42.29% off the highest price in the last 12 months. The stock has
been trading at a range between $0.86 and $4.8.
DNR is in the Oil & Gas Production industry, part of the Energy sector.