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

Retrophin, Inc. (symbol: RTRX) was one of the biggest winners of the
trading day today (2016-09-07), gaining 27.51%. The number of shares that
changed hands was 15,169,393, or about 31.6 times the average daily volume
in the stock.
The closing price was $20.81, amounting to a market cap of $764,370,000,
about -29.79% off the highest price in the last 12 months. The stock has
been trading at a range between $11.6 and $29.64.
RTRX is in the Major Pharmaceuticals industry, part of the Health Care
sector.
Looking at its valuation, the stock is now trading at 8.45 times earnings.