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

Community Health Systems, Inc. (symbol: CYH) was one of the worst losers of
the trading day today (2016-02-16), losing -22.06%. The number of shares
that changed hands was 27,848,622, or about 9 times the average daily
volume in the stock.
The closing price was $14.56, amounting to a market cap of $1,680,000,000,
about -77.6% off the highest price in the last 12 months. The stock has
been trading at a range between $12.86 and $65.0.
CYH is in the Hospital/Nursing Management industry, part of the Health Care
sector. It first went public in 2000.
Looking at its valuation, the stock is now trading at 4.93 times earnings.