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

Sarepta Therapeutics, Inc. (symbol: SRPT) was one of the worst losers of
the trading day today (2016-04-26), losing -26.29%. The number of shares
that changed hands was 48,925,953, or about 16 times the average daily
volume in the stock.
The closing price was $11.02, amounting to a market cap of $503,240,000,
about -73.74% off the highest price in the last 12 months. The stock has
been trading at a range between $8.0 and $41.97.
SRPT is in the Major Pharmaceuticals industry, part of the Health Care
sector.