$SM is one of biggest losers #stocks today. read more:

SM Energy Company Common Stock (symbol: SM) was one of the worst losers of
the trading day today (2015-11-27), losing -6.21%. The number of shares
that changed hands was 716,563, or about 0 times the average daily volume
in the stock.
The closing price was $29.61, amounting to a market cap of $2,010,000,000,
about -50.88% off the highest price in the last 12 months. The stock has
been trading at a range between $18.21 and $60.28.
SM is in the Oil & Gas Production industry, part of the Energy sector.
Looking at its valuation, the stock is now trading at 8.93 times earnings.