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

WPX Energy, Inc. Common Stock (symbol: WPX) was one of the worst losers of
the trading day today (2016-09-23), losing -7.77%. The number of shares
that changed hands was 12,454,899, or about 1 times the average daily
volume in the stock.
The closing price was $11.51, amounting to a market cap of $3,960,000,000,
about -17.31% off the highest price in the last 12 months. The stock has
been trading at a range between $2.53 and $13.92.
WPX is in the Oil & Gas Production industry, part of the Energy sector. It
first went public in 2011.