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

Alnylam Pharmaceuticals, Inc. (symbol: ALNY) was one of the worst losers of
the trading day today (2016-12-29), losing -4.87%. The number of shares
that changed hands was 1,219,915, or about 1 times the average daily volume
in the stock.
The closing price was $38.06, amounting to a market cap of $3,270,000,000,
about -61.16% off the highest price in the last 12 months. The stock has
been trading at a range between $31.38 and $98.0.
ALNY is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2004.