$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 (2016-09-29), gaining 8.16%. The number of shares that
changed hands was 4,886,627, or about 1.4 times the average daily volume in
the stock.
The closing price was $39.49, amounting to a market cap of $2,700,000,000,
about -6.49% 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.