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

PTC Therapeutics, Inc. (symbol: PTCT) was one of the biggest winners of the
trading day today (2015-08-25), gaining 9.33%. The number of shares that
changed hands was 1,288,842, or about 2.0 times the average daily volume in
the stock.
The closing price was $35.75, amounting to a market cap of $1,210,000,000,
about -54.59% off the highest price in the last 12 months. The stock has
been trading at a range between $29.08 and $78.72.
PTCT is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2013.