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

ARIAD Pharmaceuticals, Inc. (symbol: ARIA) was one of the worst losers of
the trading day today (2016-03-28), losing -8.09%. The number of shares
that changed hands was 4,193,220, or about 1 times the average daily volume
in the stock.
The closing price was $6.02, amounting to a market cap of $1,140,000,000,
about -40.22% off the highest price in the last 12 months. The stock has
been trading at a range between $4.37 and $10.07.
ARIA is in the Biotechnology: Biological Products (No Diagnostic
Substances) industry, part of the Health Care sector. It first went public
in 1994.