$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 (2016-11-30), gaining 24.91%. The number of shares that
changed hands was 6,491,376, or about 2.3 times the average daily volume in
the stock.
The closing price was $39.86, amounting to a market cap of $3,460,000,000,
about -7.5% off the highest price in the last 12 months. The stock has been
trading at a range between $6.99 and $43.09.
SM is in the Oil & Gas Production industry, part of the Energy sector.