$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 (2016-07-12), gaining 12.71%. The number of shares that
changed hands was 4,723,202, or about 1.4 times the average daily volume in
the stock.
The closing price was $27.04, amounting to a market cap of $1,840,000,000,
about -37.92% off the highest price in the last 12 months. The stock has
been trading at a range between $6.99 and $43.56.
SM is in the Oil & Gas Production industry, part of the Energy sector.