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

Humana Inc. Common Stock (symbol: HUM) was one of the worst losers of the
trading day today (2016-07-07), losing -9.58%. The number of shares that
changed hands was 9,066,791, or about 7 times the average daily volume in
the stock.
The closing price was $162.74, amounting to a market cap of
$24,250,000,000, about -15.46% off the highest price in the last 12 months.
The stock has been trading at a range between $155.24 and $192.49.
HUM is in the Medical Specialities industry, part of the Health Care sector.
Looking at its valuation, the stock is now trading at 22.69 times earnings.