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

Unit Corporation Common Stock (symbol: UNT) was one of the worst losers of
the trading day today (2015-12-02), losing -9.86%. The number of shares
that changed hands was 1,565,304, or about 1 times the average daily volume
in the stock.
The closing price was $16.09, amounting to a market cap of $811,160,000,
about -58.16% off the highest price in the last 12 months. The stock has
been trading at a range between $10.8 and $38.46.
UNT is in the Oil & Gas Production industry, part of the Energy sector.