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

CoLucid Pharmaceuticals, Inc. (symbol: CLCD) was one of the worst losers of
the trading day today (2016-10-17), losing -6.79%. The number of shares
that changed hands was 501,494, or about 1 times the average daily volume
in the stock.
The closing price was $34.07, amounting to a market cap of $522,430,000,
about -13.24% off the highest price in the last 12 months. The stock has
been trading at a range between $3.6 and $39.27.
CLCD is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2015.