$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 (2015-08-28), gaining 41.69%. The number of shares
that changed hands was 38,607,846, or about 12.6 times the average daily
volume in the stock.
The closing price was $9.89, amounting to a market cap of $1,870,000,000,
about -1.79% 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.