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

Coherus BioSciences, Inc. (symbol: CHRS) was one of the worst losers of the
trading day today (2015-12-09), losing -13.83%. The number of shares that
changed hands was 667,169, or about 3 times the average daily volume in the
stock.
The closing price was $24.3, amounting to a market cap of $945,080,000,
about -36.22% off the highest price in the last 12 months. The stock has
been trading at a range between $12.38 and $38.1.
CHRS is in the Biotechnology: Biological Products (No Diagnostic
Substances) industry, part of the Health Care sector. It first went public
in 2014.