$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 (2016-06-29), losing -6.19%. The number of shares
that changed hands was 93,283,549, or about 6 times the average daily
volume in the stock.
The closing price was $13.03, amounting to a market cap of $5,010,000,000,
about -42.95% off the highest price in the last 12 months. The stock has
been trading at a range between $5.0 and $22.84.
SWN is in the Oil & Gas Production industry, part of the Energy sector.