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

ConocoPhillips Common Stock (symbol: COP) was one of the worst losers of
the trading day today (2016-02-04), losing -8.57%. The number of shares
that changed hands was 49,172,020, or about 4 times the average daily
volume in the stock.
The closing price was $35.32, amounting to a market cap of $43,610,000,000,
about -49.62% off the highest price in the last 12 months. The stock has
been trading at a range between $32.71 and $70.11.
COP is in the Integrated oil Companies industry, part of the Energy sector.