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

Southwestern Energy Company (symbol: SWN) was one of the biggest winners of
the trading day today (2016-04-22), gaining 15.0%. The number of shares
that changed hands was 35,781,802, or about 1.8 times the average daily
volume in the stock.
The closing price was $12.27, amounting to a market cap of $4,700,000,000,
about -58.56% 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.