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

Juno Therapeutics, Inc. (symbol: JUNO) was one of the worst losers of the
trading day today (2016-12-21), losing -5.65%. The number of shares that
changed hands was 1,824,581, or about 1 times the average daily volume in
the stock.
The closing price was $18.03, amounting to a market cap of $1,850,000,000,
about -63.74% off the highest price in the last 12 months. The stock has
been trading at a range between $17.57 and $49.72.
JUNO is in the Biotechnology: Biological Products (No Diagnostic
Substances) industry, part of the Health Care sector. It first went public
in 2014.