$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 (2017-01-17), losing -8.12%. The number of shares
that changed hands was 1,397,102, or about 1 times the average daily volume
in the stock.
The closing price was $38.22, amounting to a market cap of $3,280,000,000,
about -52.34% off the highest price in the last 12 months. The stock has
been trading at a range between $31.38 and $80.19.
ALNY is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2004.