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

SM Energy Company (symbol: SM) was one of the biggest winners of the
trading day today (2016-01-21), gaining 25.97%. The number of shares that
changed hands was 9,969,903, or about 3.5 times the average daily volume in
the stock.
The closing price was $12.32, amounting to a market cap of $837,440,000,
about -79.56% off the highest price in the last 12 months. The stock has
been trading at a range between $8.38 and $60.28.
SM is in the Oil & Gas Production industry, part of the Energy sector.
Looking at its valuation, the stock is now trading at 3.71 times earnings.