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

Air Methods Corporation (symbol: AIRM) was one of the worst losers of the
trading day today (2016-09-08), losing -11.97%. The number of shares that
changed hands was 2,018,537, or about 5 times the average daily volume in
the stock.
The closing price was $31.47, amounting to a market cap of $1,200,000,000,
about -32.32% off the highest price in the last 12 months. The stock has
been trading at a range between $30.57 and $46.5.
AIRM is in the Transportation Services industry, part of the Transportation
sector.
Looking at its valuation, the stock is now trading at 10.73 times earnings.