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

Amicus Therapeutics, Inc. (symbol: FOLD) was one of the worst losers of the
trading day today (2015-10-02), losing -53.53%. The number of shares that
changed hands was 55,570,381, or about 26 times the average daily volume in
the stock.
The closing price was $6.39, amounting to a market cap of $757,970,000,
about -66.06% off the highest price in the last 12 months. The stock has
been trading at a range between $5.13 and $18.83.
FOLD is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2007.