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

bluebird bio, Inc. (symbol: BLUE) was one of the biggest winners of the
trading day today (2016-09-15), gaining 11.37%. The number of shares that
changed hands was 4,190,155, or about 4.1 times the average daily volume in
the stock.
The closing price was $70.04, amounting to a market cap of $2,600,000,000,
about -51.05% off the highest price in the last 12 months. The stock has
been trading at a range between $35.37 and $143.08.
BLUE is in the Biotechnology: Biological Products (No Diagnostic
Substances) industry, part of the Health Care sector. It first went public
in 2013.