$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 (2016-03-28), losing -8.22%. The number of shares that
changed hands was 1,736,042, or about 1 times the average daily volume in
the stock.
The closing price was $30.25, amounting to a market cap of $1,300,000,000,
about -64.26% off the highest price in the last 12 months. The stock has
been trading at a range between $24.75 and $84.64.
RDUS is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2014.