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

CONSOL Energy Inc. Common Stock (symbol: CNX) was one of the worst losers
of the trading day today (2016-03-23), losing -13.22%. The number of shares
that changed hands was 7,017,449, or about 1 times the average daily volume
in the stock.
The closing price was $10.44, amounting to a market cap of $2,390,000,000,
about -69.42% off the highest price in the last 12 months. The stock has
been trading at a range between $4.54 and $34.14.
CNX is in the Coal Mining industry, part of the Energy sector. It first
went public in 1999.