$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 (2016-09-12), gaining 10.07%. The number of shares that
changed hands was 1,459,211, or about 1.5 times the average daily volume in
the stock.
The closing price was $58.81, amounting to a market cap of $2,190,000,000,
about -58.9% 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.