$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 (2016-09-21), losing -5.48%. The number of shares
that changed hands was 5,122,753, or about 1 times the average daily volume
in the stock.
The closing price was $10.17, amounting to a market cap of $1,130,000,000,
about -74.92% off the highest price in the last 12 months. The stock has
been trading at a range between $9.66 and $40.55.
CYH is in the Hospital/Nursing Management industry, part of the Health Care
sector. It first went public in 2000.