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

Five Prime Therapeutics, Inc. (symbol: FPRX) was one of the worst losers of
the trading day today (2016-03-03), losing -7.84%. The number of shares
that changed hands was 494,261, or about 1 times the average daily volume
in the stock.
The closing price was $33.49, amounting to a market cap of $921,080,000,
about -26.75% off the highest price in the last 12 months. The stock has
been trading at a range between $14.7 and $45.72.
FPRX is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2013.