$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 (2016-06-16), losing -7.9%. The number of shares that
changed hands was 4,176,134, or about 1 times the average daily volume in
the stock.
The closing price was $17.38, amounting to a market cap of $795,550,000,
about -58.59% 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.