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

ARIAD Pharmaceuticals, Inc. (symbol: ARIA) was one of the biggest winners
of the trading day today (2015-09-04), gaining 5.28%. The number of shares
that changed hands was 8,811,984, or about 2.2 times the average daily
volume in the stock.
The closing price was $7.97, amounting to a market cap of $1,510,000,000,
about -20.85% off the highest price in the last 12 months. The stock has
been trading at a range between $4.9 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.