$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 (2016-08-03), gaining 14.08%. The number of shares that
changed hands was 6,010,883, or about 2.2 times the average daily volume in
the stock.
The closing price was $29.9, amounting to a market cap of $2,040,000,000,
about -29.2% off the highest price in the last 12 months. The stock has
been trading at a range between $6.99 and $42.23.
SM is in the Oil & Gas Production industry, part of the Energy sector.