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

Southwestern Energy Company Com (symbol: SWN) was one of the worst losers
of the trading day today (2016-02-19), losing -16.49%. The number of shares
that changed hands was 33,695,297, or about 2 times the average daily
volume in the stock.
The closing price was $7.09, amounting to a market cap of $2,710,000,000,
about -76.06% off the highest price in the last 12 months. The stock has
been trading at a range between $5.0 and $29.61.
SWN is in the Oil & Gas Production industry, part of the Energy sector.