$OPHT is one of biggest winner #stocks today. read more:

Ophthotech Corporation (symbol: OPHT) was one of the biggest winners of the
trading day today (2016-10-31), gaining 10.39%. The number of shares that
changed hands was 2,149,671, or about 3.0 times the average daily volume in
the stock.
The closing price was $35.82, amounting to a market cap of $1,270,000,000,
about -55.22% off the highest price in the last 12 months. The stock has
been trading at a range between $31.5 and $80.0.
OPHT is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2013.