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

Tenet Healthcare Corporation Co (symbol: THC) was one of the worst losers
of the trading day today (2015-10-22), losing -18.87%. The number of shares
that changed hands was 15,621,233, or about 7 times the average daily
volume in the stock.
The closing price was $28.24, amounting to a market cap of $2,810,000,000,
about -53.65% off the highest price in the last 12 months. The stock has
been trading at a range between $26.62 and $60.93.
THC is in the Hospital/Nursing Management industry, part of the Health Care
sector.
Looking at its valuation, the stock is now trading at 50.7 times earnings.