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

Radius Health, Inc. (symbol: RDUS) was one of the worst losers of the
trading day today (2016-12-08), losing -12.02%. The number of shares that
changed hands was 3,771,106, or about 4 times the average daily volume in
the stock.
The closing price was $47.07, amounting to a market cap of $2,030,000,000,
about -25.1% off the highest price in the last 12 months. The stock has
been trading at a range between $24.75 and $62.84.
RDUS is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2014.