$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 (2016-08-22), gaining 6.78%. The number of shares that
changed hands was 945,061, or about 1.9 times the average daily volume in
the stock.
The closing price was $53.73, amounting to a market cap of $1,910,000,000,
about -32.84% off the highest price in the last 12 months. The stock has
been trading at a range between $35.72 and $80.0.
OPHT is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2013.