$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 (2016-06-17), gaining 11.47%. The number of shares that
changed hands was 5,055,945, or about 1.3 times the average daily volume in
the stock.
The closing price was $29.34, amounting to a market cap of $2,000,000,000,
about -39.63% off the highest price in the last 12 months. The stock has
been trading at a range between $6.99 and $48.6.
SM is in the Oil & Gas Production industry, part of the Energy sector.