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

Clovis Oncology, Inc. (symbol: CLVS) was one of the worst losers of the
trading day today (2016-04-04), losing -10.89%. The number of shares that
changed hands was 2,651,917, or about 3 times the average daily volume in
the stock.
The closing price was $17.26, amounting to a market cap of $661,400,000,
about -85.22% off the highest price in the last 12 months. The stock has
been trading at a range between $16.78 and $116.75.
CLVS is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2011.