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

The Spectranetics Corporation (symbol: SPNC) was one of the worst losers of
the trading day today (2015-07-24), losing -34.35%. The number of shares
that changed hands was 8,717,160, or about 9 times the average daily volume
in the stock.
The closing price was $16.3, amounting to a market cap of $689,210,000,
about -55.99% off the highest price in the last 12 months. The stock has
been trading at a range between $15.0 and $37.04.
SPNC is in the Biotechnology: Electromedical & Electrotherapeutic Apparatus
industry, part of the Health Care sector. It first went public in 1992.