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

Denbury Resources Inc. (symbol: DNR) was one of the biggest winners of the
trading day today (2015-12-23), gaining 21.08%. The number of shares that
changed hands was 22,193,704, or about 1.7 times the average daily volume
in the stock.
The closing price was $2.47, amounting to a market cap of $864,630,000,
about -74.08% off the highest price in the last 12 months. The stock has
been trading at a range between $1.72 and $9.53.
DNR is in the Oil & Gas Production industry, part of the Energy sector.