$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 (2016-03-03), gaining 31.76%. The number of shares that
changed hands was 8,894,414, or about 2.2 times the average daily volume in
the stock.
The closing price was $13.15, amounting to a market cap of $895,210,000,
about -78.19% off the highest price in the last 12 months. The stock has
been trading at a range between $6.99 and $60.28.
SM is in the Oil & Gas Production industry, part of the Energy sector.