$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 (2016-07-13), losing -7.4%. The number of shares that
changed hands was 660,017, or about 1 times the average daily volume in the
stock.
The closing price was $39.27, amounting to a market cap of $1,690,000,000,
about -53.6% 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.