NEW YORK ( TheStreet) -- Southwestern Energy Company (NYSE: SWN) is trading at unusually high volume Tuesday with 19.6 million shares changing hands. It is currently at four times its average daily volume and trading down $2.36 (-6.7%) at $32.97 as of 2:40 p.m. ET. Southwestern Energy has a market cap of $11.05 billion and is part of the basic materials sector and energy industry. Shares are up 10.6% year to date as of the close of trading on Monday. Southwestern Energy Company, an independent energy company, engages in the exploration, development, and production of natural gas and crude oil in the United States. The company operates through two segments, Exploration and Production, and Midstream Services. The company has a P/E ratio of 19.6, above the average energy industry P/E ratio of 17.6 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Southwestern Energy as a hold. The company's strengths can be seen in multiple areas, such as its growth in earnings per share, revenue growth and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself and disappointing return on equity. You can view the full Southwestern Energy Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.